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113142258 = 23725867
BaseRepresentation
bin1101011111001…
…10100111110010
321212220020000000
412233212213302
5212431023013
615121010430
72542456545
oct657464762
9255806000
10113142258
11589584a9
1231a83a16
131a5956a8
141105285c
159ded973
hex6be69f2

113142258 has 32 divisors (see below), whose sum is σ = 254541120. Its totient is φ = 37712628.

The previous prime is 113142257. The next prime is 113142277. The reversal of 113142258 is 852241311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (113142257) by changing a digit.

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, 8560 + ... + 17307.

It is an arithmetic number, because the mean of its divisors is an integer number (7954410).

Almost surely, 2113142258 is an apocalyptic number.

113142258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113142258 is an abundant number, since it is smaller than the sum of its proper divisors (141398862).

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

113142258 is an frugal number, since it uses more digits than its factorization.

113142258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890 (or 25872 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 113142258 is about 10636.8349615851. The cubic root of 113142258 is about 483.6616063478.

Adding to 113142258 its reverse (852241311), we get a palindrome (965383569).

The spelling of 113142258 in words is "one hundred thirteen million, one hundred forty-two thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 25867 51734 77601 155202 232803 465606 698409 1396818 2095227 4190454 6285681 12571362 18857043 37714086 56571129 113142258