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113117144 = 2378572357
BaseRepresentation
bin1101011111000…
…00011111011000
321212211221112212
412233200133120
5212424222034
615120254252
72542323410
oct657403730
9255757485
10113117144
1158940648
1231a71388
131a58712a
1411047640
159de62ce
hex6be07d8

113117144 has 32 divisors (see below), whose sum is σ = 242779680. Its totient is φ = 48401664.

The previous prime is 113117143. The next prime is 113117153. The reversal of 113117144 is 441711311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113117141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46814 + ... + 49170.

It is an arithmetic number, because the mean of its divisors is an integer number (7586865).

Almost surely, 2113117144 is an apocalyptic number.

113117144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

113117144 is an abundant number, since it is smaller than the sum of its proper divisors (129662536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113117144 is a wasteful number, since it uses less digits than its factorization.

113117144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227 (or 3223 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 113117144 is about 10635.6543757307. The cubic root of 113117144 is about 483.6258178439.

Adding to 113117144 its reverse (441711311), we get a palindrome (554828455).

The spelling of 113117144 in words is "one hundred thirteen million, one hundred seventeen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 857 1714 2357 3428 4714 5999 6856 9428 11998 16499 18856 23996 32998 47992 65996 131992 2019949 4039898 8079796 14139643 16159592 28279286 56558572 113117144