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113839490 = 2543264743
BaseRepresentation
bin1101100100100…
…00110110000010
321221012122102102
412302100312002
5213120330430
615143550402
72551422362
oct662206602
9257178372
10113839490
1159294326
123215b402
131a77ab5b
14111949a2
159eda345
hex6c90d82

113839490 has 16 divisors (see below), whose sum is σ = 209677248. Its totient is φ = 44476656.

The previous prime is 113839459. The next prime is 113839511. The reversal of 113839490 is 94938311.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 131942 + ... + 132801.

It is an arithmetic number, because the mean of its divisors is an integer number (13104828).

Almost surely, 2113839490 is an apocalyptic number.

113839490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113839490 is a deficient number, since it is larger than the sum of its proper divisors (95837758).

113839490 is a wasteful number, since it uses less digits than its factorization.

113839490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264793.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 113839490 is about 10669.5590349367. The cubic root of 113839490 is about 484.6530838294.

The spelling of 113839490 in words is "one hundred thirteen million, eight hundred thirty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 264743 529486 1323715 2647430 11383949 22767898 56919745 113839490