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2455378848 = 253213976761
BaseRepresentation
bin1001001001011010…
…0001101110100000
320100010020011120100
42102112201232200
520012034110343
61043351142400
7114563242626
oct22226415640
96303204510
102455378848
11104aaa751a
12586374a00
133019083c0
14194157516
15e58649d3
hex925a1ba0

2455378848 has 144 divisors (see below), whose sum is σ = 7598243016. Its totient is φ = 747601920.

The previous prime is 2455378829. The next prime is 2455378883. The reversal of 2455378848 is 8488735542.

2455378848 is a `hidden beast` number, since 2 + 4 + 553 + 7 + 8 + 84 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1983099024 + 472279824 = 44532^2 + 21732^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 2455378794 and 2455378803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359788 + ... + 366548.

Almost surely, 22455378848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2455378848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3799121508).

2455378848 is an abundant number, since it is smaller than the sum of its proper divisors (5142864168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455378848 is a wasteful number, since it uses less digits than its factorization.

2455378848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887 (or 6876 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The square root of 2455378848 is about 49551.7794635067. The cubic root of 2455378848 is about 1349.0855898260.

The spelling of 2455378848 in words is "two billion, four hundred fifty-five million, three hundred seventy-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 97 104 117 144 156 194 208 234 288 291 312 388 416 468 582 624 776 873 936 1164 1248 1261 1552 1746 1872 2328 2522 3104 3492 3744 3783 4656 5044 6761 6984 7566 9312 10088 11349 13522 13968 15132 20176 20283 22698 27044 27936 30264 40352 40566 45396 54088 60528 60849 81132 87893 90792 108176 121056 121698 162264 175786 181584 216352 243396 263679 324528 351572 363168 486792 527358 649056 655817 703144 791037 973584 1054716 1311634 1406288 1582074 1947168 1967451 2109432 2623268 2812576 3164148 3934902 4218864 5246536 5902353 6328296 7869804 8437728 8525621 10493072 11804706 12656592 15739608 17051242 20986144 23609412 25313184 25576863 31479216 34102484 47218824 51153726 62958432 68204968 76730589 94437648 102307452 136409936 153461178 188875296 204614904 272819872 306922356 409229808 613844712 818459616 1227689424 2455378848