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113250749 = 130187049
BaseRepresentation
bin1101100000000…
…01000110111101
321220002201211012
412300001012331
5212443010444
615123205005
72543421053
oct660010675
9256081735
10113250749
1158a21a67
1231b16765
131a602ba1
14110801d3
159e20b9e
hex6c011bd

113250749 has 4 divisors (see below), whose sum is σ = 113339100. Its totient is φ = 113162400.

The previous prime is 113250743. The next prime is 113250757. The reversal of 113250749 is 947052311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24552025 + 88698724 = 4955^2 + 9418^2 .

It is a cyclic number.

It is not a de Polignac number, because 113250749 - 28 = 113250493 is a prime.

It is a super-2 number, since 2×1132507492 = 25651464298122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113250743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42224 + ... + 44825.

It is an arithmetic number, because the mean of its divisors is an integer number (28334775).

Almost surely, 2113250749 is an apocalyptic number.

It is an amenable number.

113250749 is a deficient number, since it is larger than the sum of its proper divisors (88351).

113250749 is an equidigital number, since it uses as much as digits as its factorization.

113250749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88350.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 113250749 is about 10641.9335179280. The cubic root of 113250749 is about 483.8161497497.

The spelling of 113250749 in words is "one hundred thirteen million, two hundred fifty thousand, seven hundred forty-nine".

Divisors: 1 1301 87049 113250749