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113122230 = 23513290057
BaseRepresentation
bin1101011111000…
…01101110110110
321212212012112020
412233201232312
5212424402410
615120334010
72542344264
oct657415666
9255765466
10113122230
1158944451
1231a74306
131a589540
1411049434
159de7a70
hex6be1bb6

113122230 has 32 divisors (see below), whose sum is σ = 292378464. Its totient is φ = 27845376.

The previous prime is 113122171. The next prime is 113122253. The reversal of 113122230 is 32221311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144639 + ... + 145418.

It is an arithmetic number, because the mean of its divisors is an integer number (9136827).

Almost surely, 2113122230 is an apocalyptic number.

113122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113122230 is an abundant number, since it is smaller than the sum of its proper divisors (179256234).

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

113122230 is a wasteful number, since it uses less digits than its factorization.

113122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113122230 is about 10635.8934744571. The cubic root of 113122230 is about 483.6330660351.

Adding to 113122230 its reverse (32221311), we get a palindrome (145343541).

The spelling of 113122230 in words is "one hundred thirteen million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 290057 580114 870171 1450285 1740342 2900570 3770741 4350855 7541482 8701710 11312223 18853705 22624446 37707410 56561115 113122230