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28460656484 = 22133714792441
BaseRepresentation
bin11010100000011000…
…110010011101100100
32201110110202011001022
4122200120302131210
5431241412001414
621024042350312
72025165405611
oct324030623544
981413664038
1028460656484
1111085331507
1256234bb398
1328b74a9050
14153dc23508
15b1890c18e
hex6a0632764

28460656484 has 24 divisors (see below), whose sum is σ = 55087054008. Its totient is φ = 12780668160.

The previous prime is 28460656457. The next prime is 28460656489. The reversal of 28460656484 is 48465606482.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1145822500 + 27314833984 = 33850^2 + 165272^2 .

It is not an unprimeable number, because it can be changed into a prime (28460656489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394297 + ... + 7398144.

It is an arithmetic number, because the mean of its divisors is an integer number (2295293917).

Almost surely, 228460656484 is an apocalyptic number.

It is an amenable number.

28460656484 is a deficient number, since it is larger than the sum of its proper divisors (26626397524).

28460656484 is a wasteful number, since it uses less digits than its factorization.

28460656484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792495 (or 14792493 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 28460656484 in words is "twenty-eight billion, four hundred sixty million, six hundred fifty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 37 52 74 148 481 962 1924 14792441 29584882 59169764 192301733 384603466 547320317 769206932 1094640634 2189281268 7115164121 14230328242 28460656484