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113280251 = 795316981
BaseRepresentation
bin1101100000010…
…00010011111011
321220011020021212
412300020103323
5212444432001
615123553335
72543603060
oct660102373
9256136255
10113280251
1158a42147
1231b2b84b
131a613446
141108ac67
159e297bb
hex6c084fb

113280251 has 8 divisors (see below), whose sum is σ = 129606624. Its totient is φ = 96989760.

The previous prime is 113280247. The next prime is 113280257. The reversal of 113280251 is 152082311.

It is a happy number.

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

It is not a de Polignac number, because 113280251 - 22 = 113280247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113280257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (16200828).

Almost surely, 2113280251 is an apocalyptic number.

113280251 is a deficient number, since it is larger than the sum of its proper divisors (16326373).

113280251 is an equidigital number, since it uses as much as digits as its factorization.

113280251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17941.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 113280251 is about 10643.3195479606. The cubic root of 113280251 is about 483.8581577273.

The spelling of 113280251 in words is "one hundred thirteen million, two hundred eighty thousand, two hundred fifty-one".

Divisors: 1 7 953 6671 16981 118867 16182893 113280251