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2545553952 = 25349912
BaseRepresentation
bin1001011110111010…
…0001001000100000
320120101220112120000
42113232201020200
520203130211302
61100332020000
7120036565044
oct22756411040
96511815500
102545553952
1110969983a7
125b0601600
133174bbc56
141a210c024
15ed72831c
hex97ba1220

2545553952 has 90 divisors (see below), whose sum is σ = 7493965479. Its totient is φ = 847661760.

The previous prime is 2545553951. The next prime is 2545553963. The reversal of 2545553952 is 2593555452.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2545553952 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 553 + 95 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1272776976 + 1272776976 = 35676^2 + 35676^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=35676.

It is a junction number, because it is equal to n+sod(n) for n = 2545553898 and 2545553907.

It is not an unprimeable number, because it can be changed into a prime (2545553951) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 2568177 + ... + 2569167.

Almost surely, 22545553952 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 2545553952

2545553952 is an abundant number, since it is smaller than the sum of its proper divisors (4948411527).

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

2545553952 is an frugal number, since it uses more digits than its factorization.

2545553952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 996 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

The square root of 2545553952 is about 50453.4830512225. The cubic root of 2545553952 is about 1365.4027358910.

The spelling of 2545553952 in words is "two billion, five hundred forty-five million, five hundred fifty-three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 991 1296 1982 2592 2973 3964 5946 7928 8919 11892 15856 17838 23784 26757 31712 35676 47568 53514 71352 80271 95136 107028 142704 160542 214056 285408 321084 428112 642168 856224 982081 1284336 1964162 2568672 2946243 3928324 5892486 7856648 8838729 11784972 15713296 17677458 23569944 26516187 31426592 35354916 47139888 53032374 70709832 79548561 94279776 106064748 141419664 159097122 212129496 282839328 318194244 424258992 636388488 848517984 1272776976 2545553952