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12153057 = 373715641
BaseRepresentation
bin101110010111…
…000011100001
3211212102212020
4232113003201
511102344212
61112252053
7205204440
oct56270341
924772766
1012153057
116950854
1240a1029
132696877
141884d57
151100d8c
hexb970e1

12153057 has 16 divisors (see below), whose sum is σ = 19020672. Its totient is φ = 6756480.

The previous prime is 12153041. The next prime is 12153061. The reversal of 12153057 is 75035121.

12153057 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12153057 - 24 = 12153041 is a prime.

12153057 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12153157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7044 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (1188792).

Almost surely, 212153057 is an apocalyptic number.

It is an amenable number.

12153057 is a deficient number, since it is larger than the sum of its proper divisors (6867615).

12153057 is a wasteful number, since it uses less digits than its factorization.

12153057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12153057 is about 3486.1234917886. The cubic root of 12153057 is about 229.9121088250.

Adding to 12153057 its reverse (75035121), we get a palindrome (87188178).

The spelling of 12153057 in words is "twelve million, one hundred fifty-three thousand, fifty-seven".

Divisors: 1 3 7 21 37 111 259 777 15641 46923 109487 328461 578717 1736151 4051019 12153057