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15045393 = 311455921
BaseRepresentation
bin111001011001…
…001100010001
31001022101101210
4321121030101
512322423033
61254250333
7241612056
oct71311421
931271353
1015045393
118546910
1250569a9
13316a1cc
141dd902d
1514c2d63
hexe59311

15045393 has 8 divisors (see below), whose sum is σ = 21884256. Its totient is φ = 9118400.

The previous prime is 15045343. The next prime is 15045431. The reversal of 15045393 is 39354051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15045393 - 212 = 15041297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15045393.

It is not an unprimeable number, because it can be changed into a prime (15045343) 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 in 7 ways as a sum of consecutive naturals, for example, 227928 + ... + 227993.

It is an arithmetic number, because the mean of its divisors is an integer number (2735532).

Almost surely, 215045393 is an apocalyptic number.

It is an amenable number.

15045393 is a deficient number, since it is larger than the sum of its proper divisors (6838863).

15045393 is a wasteful number, since it uses less digits than its factorization.

15045393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455935.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 15045393 is about 3878.8391304616. The cubic root of 15045393 is about 246.8697319391.

The spelling of 15045393 in words is "fifteen million, forty-five thousand, three hundred ninety-three".

Divisors: 1 3 11 33 455921 1367763 5015131 15045393