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13283057 = 411272551
BaseRepresentation
bin110010101010…
…111011110001
3220222211221002
4302222323301
511400024212
61152411345
7220622054
oct62527361
926884832
1013283057
117552837
124546b55
1329a0cc8
141a9aa9b
151275ac2
hexcaaef1

13283057 has 8 divisors (see below), whose sum is σ = 13719552. Its totient is φ = 12852000.

The previous prime is 13283027. The next prime is 13283059. The reversal of 13283057 is 75038231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13283057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13283059) 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, 3932 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (1714944).

Almost surely, 213283057 is an apocalyptic number.

It is an amenable number.

13283057 is a deficient number, since it is larger than the sum of its proper divisors (436495).

13283057 is a wasteful number, since it uses less digits than its factorization.

13283057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13283057 is about 3644.5928442008. The cubic root of 13283057 is about 236.8277989738.

The spelling of 13283057 in words is "thirteen million, two hundred eighty-three thousand, fifty-seven".

Divisors: 1 41 127 2551 5207 104591 323977 13283057