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113220239 = 1128136629
BaseRepresentation
bin1101011111110…
…01101010001111
321220001011222012
412233321222033
5212441021424
615122411435
72543233106
oct657715217
9256034865
10113220239
1158a01050
1231b00b7b
131a5c2032
141107303d
159e16b0e
hex6bf9a8f

113220239 has 8 divisors (see below), whose sum is σ = 123955920. Its totient is φ = 102558400.

The previous prime is 113220223. The next prime is 113220241. The reversal of 113220239 is 932022311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113220239 - 24 = 113220223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220269) 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, 15224 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (15494490).

Almost surely, 2113220239 is an apocalyptic number.

113220239 is a deficient number, since it is larger than the sum of its proper divisors (10735681).

113220239 is a wasteful number, since it uses less digits than its factorization.

113220239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36921.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 113220239 is about 10640.4999412622. The cubic root of 113220239 is about 483.7726988038.

The spelling of 113220239 in words is "one hundred thirteen million, two hundred twenty thousand, two hundred thirty-nine".

Divisors: 1 11 281 3091 36629 402919 10292749 113220239