Search a number
-
+
474975648 = 253271713859
BaseRepresentation
bin11100010011111…
…000110110100000
31020002202021002200
4130103320312200
51433043210043
6115044213200
714525140440
oct3423706640
91202667080
10474975648
11224125264
1211309a200
1377532aa4
1447120120
152ba737d3
hex1c4f8da0

474975648 has 144 divisors (see below), whose sum is σ = 1634592960. Its totient is φ = 127715328.

The previous prime is 474975647. The next prime is 474975671. The reversal of 474975648 is 846579474.

474975648 is a `hidden beast` number, since 4 + 74 + 9 + 7 + 564 + 8 = 666.

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 = 474975594 and 474975603.

It is not an unprimeable number, because it can be changed into a prime (474975647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27343 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (11351340).

Almost surely, 2474975648 is an apocalyptic number.

474975648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474975648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817296480).

474975648 is an abundant number, since it is smaller than the sum of its proper divisors (1159617312).

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

474975648 is a wasteful number, since it uses less digits than its factorization.

474975648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899 (or 13888 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 474975648 is about 21793.9360373476. The cubic root of 474975648 is about 780.2320414170.

The spelling of 474975648 in words is "four hundred seventy-four million, nine hundred seventy-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 68 72 84 96 102 112 119 126 136 144 153 168 204 224 238 252 272 288 306 336 357 408 476 504 544 612 672 714 816 952 1008 1071 1224 1428 1632 1904 2016 2142 2448 2856 3808 4284 4896 5712 8568 11424 13859 17136 27718 34272 41577 55436 83154 97013 110872 124731 166308 194026 221744 235603 249462 291039 332616 388052 443488 471206 498924 582078 665232 706809 776104 873117 942412 997848 1164156 1330464 1413618 1552208 1649221 1746234 1884824 1995696 2120427 2328312 2827236 3104416 3298442 3492468 3769648 3991392 4240854 4656624 4947663 5654472 6596884 6984936 7539296 8481708 9313248 9895326 11308944 13193768 13969872 14842989 16963416 19790652 22617888 26387536 27939744 29685978 33926832 39581304 52775072 59371956 67853664 79162608 118743912 158325216 237487824 474975648