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12358057 = 311013947
BaseRepresentation
bin101111001001…
…000110101001
3212020212001211
4233021012221
511130424212
61120513121
7210020215
oct57110651
925225054
1012358057
116a80878
12417b7a1
132738c7a
1418d9945
1511419a7
hexbc91a9

12358057 has 8 divisors (see below), whose sum is σ = 12886272. Its totient is φ = 11838000.

The previous prime is 12358033. The next prime is 12358067. The reversal of 12358057 is 75085321.

12358057 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 12358057 - 211 = 12356009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12358067) 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, 1158 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (1610784).

Almost surely, 212358057 is an apocalyptic number.

It is an amenable number.

12358057 is a deficient number, since it is larger than the sum of its proper divisors (528215).

12358057 is a wasteful number, since it uses less digits than its factorization.

12358057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12358057 is about 3515.4028218684. The cubic root of 12358057 is about 231.1976407389.

The spelling of 12358057 in words is "twelve million, three hundred fifty-eight thousand, fifty-seven".

Divisors: 1 31 101 3131 3947 122357 398647 12358057