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11570139 = 327434271
BaseRepresentation
bin101100001000…
…101111011011
3210202211020200
4230020233123
510430221024
61051553243
7200226120
oct54105733
923684220
1011570139
1165928a9
123a5b823
132521449
141772747
1510382c9
hexb08bdb

11570139 has 24 divisors (see below), whose sum is σ = 19548672. Its totient is φ = 6456240.

The previous prime is 11570137. The next prime is 11570177. The reversal of 11570139 is 93107511.

It is a happy number.

It is not a de Polignac number, because 11570139 - 21 = 11570137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11570137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (814528).

Almost surely, 211570139 is an apocalyptic number.

11570139 is a deficient number, since it is larger than the sum of its proper divisors (7978533).

11570139 is a wasteful number, since it uses less digits than its factorization.

11570139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11570139 is about 3401.4907026185. The cubic root of 11570139 is about 226.1758297012.

The spelling of 11570139 in words is "eleven million, five hundred seventy thousand, one hundred thirty-nine".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 4271 12813 29897 38439 89691 183653 269073 550959 1285571 1652877 3856713 11570139