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113490251 = 726996007
BaseRepresentation
bin1101100001110…
…11100101001011
321220112220100122
412300323211023
5213023142001
615132253455
72545436240
oct660734513
9256486318
10113490251
11590759a6
123201128b
131a687bc4
14111035c7
159e6bb1b
hex6c3b94b

113490251 has 8 divisors (see below), whose sum is σ = 129772800. Its totient is φ = 97225128.

The previous prime is 113490229. The next prime is 113490259. The reversal of 113490251 is 152094311.

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

It is not a de Polignac number, because 113490251 - 26 = 113490187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113490251.

It is not an unprimeable number, because it can be changed into a prime (113490259) 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, 15890 + ... + 21896.

It is an arithmetic number, because the mean of its divisors is an integer number (16221600).

Almost surely, 2113490251 is an apocalyptic number.

113490251 is a deficient number, since it is larger than the sum of its proper divisors (16282549).

113490251 is an equidigital number, since it uses as much as digits as its factorization.

113490251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 113490251 is about 10653.1803232650. The cubic root of 113490251 is about 484.1569667670.

The spelling of 113490251 in words is "one hundred thirteen million, four hundred ninety thousand, two hundred fifty-one".

Divisors: 1 7 2699 6007 18893 42049 16212893 113490251