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28524425284 = 227131106321
BaseRepresentation
bin11010100100001100…
…000011000001000100
32201121220201221101201
4122210030003001010
5431404223102114
621034241232244
72026601420515
oct324414030104
981556657351
1028524425284
11111083269a3
125640932684
1328c7775574
1415484a2a0c
15b1e306874
hex6a4303044

28524425284 has 6 divisors (see below), whose sum is σ = 49917744254. Its totient is φ = 14262212640.

The previous prime is 28524425263. The next prime is 28524425287. The reversal of 28524425284 is 48252442582.

It can be written as a sum of positive squares in only one way, i.e., 18618602500 + 9905822784 = 136450^2 + 99528^2 .

It is not an unprimeable number, because it can be changed into a prime (28524425287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565553157 + ... + 3565553164.

Almost surely, 228524425284 is an apocalyptic number.

It is an amenable number.

28524425284 is a deficient number, since it is larger than the sum of its proper divisors (21393318970).

28524425284 is a wasteful number, since it uses less digits than its factorization.

28524425284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131106325 (or 7131106323 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 46.

The spelling of 28524425284 in words is "twenty-eight billion, five hundred twenty-four million, four hundred twenty-five thousand, two hundred eighty-four".

Divisors: 1 2 4 7131106321 14262212642 28524425284