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11339857 = 54720731
BaseRepresentation
bin101011010000…
…100001010001
3210100010100201
4223100201101
510400333412
61043015201
7165246544
oct53204121
923303321
1011339857
116445891
12396a501
132470699
14171285b
15edee57
hexad0851

11339857 has 4 divisors (see below), whose sum is σ = 11361136. Its totient is φ = 11318580.

The previous prime is 11339819. The next prime is 11339869. The reversal of 11339857 is 75893311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75893311 = 135837947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11339857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11339807) 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, 9819 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (2840284).

Almost surely, 211339857 is an apocalyptic number.

It is an amenable number.

11339857 is a deficient number, since it is larger than the sum of its proper divisors (21279).

11339857 is an equidigital number, since it uses as much as digits as its factorization.

11339857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278.

The product of its digits is 22680, while the sum is 37.

The square root of 11339857 is about 3367.4704156087. The cubic root of 11339857 is about 224.6652272486.

The spelling of 11339857 in words is "eleven million, three hundred thirty-nine thousand, eight hundred fifty-seven".

Divisors: 1 547 20731 11339857