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15528068 = 224319007
BaseRepresentation
bin111011001111…
…000010000100
31002012220111122
4323033002010
512433344233
61312453112
7245662223
oct73170204
932186448
1015528068
118846516
12524a198
1332a8b0a
1420c2cba
15156ad98
hexecf084

15528068 has 12 divisors (see below), whose sum is σ = 27240192. Its totient is φ = 7745160.

The previous prime is 15528047. The next prime is 15528077. The reversal of 15528068 is 86082551.

It is a happy number.

It is a super-2 number, since 2×155280682 = 482241791625248, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2780 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (2270016).

Almost surely, 215528068 is an apocalyptic number.

It is an amenable number.

15528068 is a deficient number, since it is larger than the sum of its proper divisors (11712124).

15528068 is a wasteful number, since it uses less digits than its factorization.

15528068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442 (or 9440 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 15528068 is about 3940.5669642832. The cubic root of 15528068 is about 249.4819565989.

The spelling of 15528068 in words is "fifteen million, five hundred twenty-eight thousand, sixty-eight".

Divisors: 1 2 4 431 862 1724 9007 18014 36028 3882017 7764034 15528068