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15190152 = 233632923
BaseRepresentation
bin111001111100…
…100010001000
31001120201222020
4321330202020
512342041102
61301324440
7243054105
oct71744210
931521866
1015190152
11863564a
125106720
1331bb073
142035aac
151500bbc
hexe7c888

15190152 has 16 divisors (see below), whose sum is σ = 37975440. Its totient is φ = 5063376.

The previous prime is 15190141. The next prime is 15190157. The reversal of 15190152 is 25109151.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 632923 = 15190152 / (1 + 5 + 1 + 9 + 0 + 1 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (15190157) 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 3 ways as a sum of consecutive naturals, for example, 316438 + ... + 316485.

It is an arithmetic number, because the mean of its divisors is an integer number (2373465).

Almost surely, 215190152 is an apocalyptic number.

15190152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15190152 is an abundant number, since it is smaller than the sum of its proper divisors (22785288).

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

15190152 is a wasteful number, since it uses less digits than its factorization.

15190152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632932 (or 632928 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 15190152 is about 3897.4545539365. The cubic root of 15190152 is about 247.6589571674.

The spelling of 15190152 in words is "fifteen million, one hundred ninety thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 632923 1265846 1898769 2531692 3797538 5063384 7595076 15190152