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113285557 = 71123471361
BaseRepresentation
bin1101100000010…
…01100110110101
321220011111120101
412300021212311
5213000114212
615124034101
72543624410
oct660114665
9256144511
10113285557
1158a46130
1231b32931
131a615998
141108cb77
159e2b157
hex6c099b5

113285557 has 32 divisors (see below), whose sum is σ = 150626304. Its totient is φ = 82579200.

The previous prime is 113285537. The next prime is 113285573. The reversal of 113285557 is 755582311.

It is a happy number.

It is not a de Polignac number, because 113285557 - 211 = 113283509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113285507) 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 31 ways as a sum of consecutive naturals, for example, 82557 + ... + 83917.

It is an arithmetic number, because the mean of its divisors is an integer number (4707072).

Almost surely, 2113285557 is an apocalyptic number.

It is an amenable number.

113285557 is a deficient number, since it is larger than the sum of its proper divisors (37340747).

113285557 is a wasteful number, since it uses less digits than its factorization.

113285557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its digits is 42000, while the sum is 37.

The square root of 113285557 is about 10643.5688093797. The cubic root of 113285557 is about 483.8657121812.

The spelling of 113285557 in words is "one hundred thirteen million, two hundred eighty-five thousand, five hundred fifty-seven".

Divisors: 1 7 11 23 47 77 161 253 329 517 1081 1361 1771 3619 7567 9527 11891 14971 31303 63967 83237 104797 219121 344333 447769 703637 1471241 2410331 4925459 10298687 16183651 113285557