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15065052 = 2231255421
BaseRepresentation
bin111001011101…
…111111011100
31001100101100220
4321131333130
512324040202
61254521340
7242023302
oct71357734
931311326
1015065052
11855a662
125066250
133176142
142002272
1514c8abc
hexe5dfdc

15065052 has 12 divisors (see below), whose sum is σ = 35151816. Its totient is φ = 5021680.

The previous prime is 15065041. The next prime is 15065107. The reversal of 15065052 is 25056051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627699 + ... + 627722.

It is an arithmetic number, because the mean of its divisors is an integer number (2929318).

Almost surely, 215065052 is an apocalyptic number.

15065052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15065052 is an abundant number, since it is smaller than the sum of its proper divisors (20086764).

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

15065052 is a wasteful number, since it uses less digits than its factorization.

15065052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255428 (or 1255426 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 15065052 is about 3881.3724376823. The cubic root of 15065052 is about 246.9772089097.

Subtracting 15065052 from its reverse (25056051), we obtain a palindrome (9990999).

The spelling of 15065052 in words is "fifteen million, sixty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1255421 2510842 3766263 5021684 7532526 15065052