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113389709 = 472412547
BaseRepresentation
bin1101100001000…
…11000010001101
321220100210102212
412300203002031
5213011432314
615130200205
72544540146
oct660430215
9256323385
10113389709
1159007404
1231b83065
131a651204
14110b8acd
159e4be3e
hex6c2308d

113389709 has 4 divisors (see below), whose sum is σ = 115802304. Its totient is φ = 110977116.

The previous prime is 113389699. The next prime is 113389729. The reversal of 113389709 is 907983311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113389709 - 24 = 113389693 is a prime.

It is a super-3 number, since 3×1133897093 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113389729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206227 + ... + 1206320.

It is an arithmetic number, because the mean of its divisors is an integer number (28950576).

Almost surely, 2113389709 is an apocalyptic number.

It is an amenable number.

113389709 is a deficient number, since it is larger than the sum of its proper divisors (2412595).

113389709 is an equidigital number, since it uses as much as digits as its factorization.

113389709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412594.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 113389709 is about 10648.4604051478. The cubic root of 113389709 is about 484.0139515706.

The spelling of 113389709 in words is "one hundred thirteen million, three hundred eighty-nine thousand, seven hundred nine".

Divisors: 1 47 2412547 113389709