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13385833 = 101132533
BaseRepresentation
bin110011000100…
…000001101001
3221012001220121
4303010001221
511411321313
61154523241
7221530516
oct63040151
927161817
1013385833
117612a7a
124596521
132a08a16
141ac630d
15129628d
hexcc4069

13385833 has 4 divisors (see below), whose sum is σ = 13518468. Its totient is φ = 13253200.

The previous prime is 13385821. The next prime is 13385837. The reversal of 13385833 is 33858331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 2442969 = 3308^2 + 1563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13385833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13385837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66166 + ... + 66367.

It is an arithmetic number, because the mean of its divisors is an integer number (3379617).

Almost surely, 213385833 is an apocalyptic number.

It is an amenable number.

13385833 is a deficient number, since it is larger than the sum of its proper divisors (132635).

13385833 is a wasteful number, since it uses less digits than its factorization.

13385833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132634.

The product of its digits is 25920, while the sum is 34.

The square root of 13385833 is about 3658.6654670795. The cubic root of 13385833 is about 237.4370388969.

The spelling of 13385833 in words is "thirteen million, three hundred eighty-five thousand, eight hundred thirty-three".

Divisors: 1 101 132533 13385833