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15073412 = 225397733
BaseRepresentation
bin111001100000…
…000010000100
31001100210211112
4321200002010
512324322122
61255024152
7242056544
oct71400204
931323745
1015073412
118565972
12506b058
133179ba3
142005324
1514cb2e2
hexe60084

15073412 has 24 divisors (see below), whose sum is σ = 27190296. Its totient is φ = 7308288.

The previous prime is 15073397. The next prime is 15073423. The reversal of 15073412 is 21437051.

It can be written as a sum of positive squares in 4 ways, for example, as 7761796 + 7311616 = 2786^2 + 2704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20198 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (1132929).

Almost surely, 215073412 is an apocalyptic number.

It is an amenable number.

15073412 is a deficient number, since it is larger than the sum of its proper divisors (12116884).

15073412 is a wasteful number, since it uses less digits than its factorization.

15073412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15073412 is about 3882.4492269700. The cubic root of 15073412 is about 247.0228852131.

The spelling of 15073412 in words is "fifteen million, seventy-three thousand, four hundred twelve".

Divisors: 1 2 4 53 97 106 194 212 388 733 1466 2932 5141 10282 20564 38849 71101 77698 142202 155396 284404 3768353 7536706 15073412