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12152945 = 57347227
BaseRepresentation
bin101110010111…
…000001110001
3211212102201002
4232113001301
511102343240
61112251345
7205204220
oct56270161
924772632
1012152945
116950762
1240a0b55
1326967bc
141884cb7
151100d15
hexb97071

12152945 has 8 divisors (see below), whose sum is σ = 16666944. Its totient is φ = 8333424.

The previous prime is 12152941. The next prime is 12152971. The reversal of 12152945 is 54925121.

12152945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12152945 - 22 = 12152941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173579 + ... + 173648.

It is an arithmetic number, because the mean of its divisors is an integer number (2083368).

Almost surely, 212152945 is an apocalyptic number.

It is an amenable number.

12152945 is a deficient number, since it is larger than the sum of its proper divisors (4513999).

12152945 is an equidigital number, since it uses as much as digits as its factorization.

12152945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347239.

The product of its digits is 3600, while the sum is 29.

The square root of 12152945 is about 3486.1074280636. The cubic root of 12152945 is about 229.9114025491.

The spelling of 12152945 in words is "twelve million, one hundred fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 7 35 347227 1736135 2430589 12152945