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15145052 = 22131915329
BaseRepresentation
bin111001110001…
…100001011100
31001111110002212
4321301201130
512334120202
61300335552
7242505446
oct71614134
931443085
1015145052
11860477a
1250a45b8
1331a3690
142023496
1514e2652
hexe7185c

15145052 has 24 divisors (see below), whose sum is σ = 30046800. Its totient is φ = 6621696.

The previous prime is 15145049. The next prime is 15145087. The reversal of 15145052 is 25054151.

It is a happy number.

15145052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677 + ... + 8652.

It is an arithmetic number, because the mean of its divisors is an integer number (1251950).

Almost surely, 215145052 is an apocalyptic number.

It is an amenable number.

15145052 is a deficient number, since it is larger than the sum of its proper divisors (14901748).

15145052 is a wasteful number, since it uses less digits than its factorization.

15145052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15365 (or 15363 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 15145052 is about 3891.6644254098. The cubic root of 15145052 is about 247.4136119958.

Subtracting 15145052 from its reverse (25054151), we obtain a palindrome (9909099).

The spelling of 15145052 in words is "fifteen million, one hundred forty-five thousand, fifty-two".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 15329 30658 61316 199277 291251 398554 582502 797108 1165004 3786263 7572526 15145052