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113250289 = 743152423
BaseRepresentation
bin1101100000000…
…00111111110001
321220002201012011
412300000333301
5212443002124
615123202521
72543416525
oct660007761
9256081164
10113250289
1158a21689
1231b16441
131a602909
141107dd85
159e20994
hex6c00ff1

113250289 has 4 divisors (see below), whose sum is σ = 113403456. Its totient is φ = 113097124.

The previous prime is 113250287. The next prime is 113250299. The reversal of 113250289 is 982052311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982052311 = 1757767783.

It is a cyclic number.

It is not a de Polignac number, because 113250289 - 21 = 113250287 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 113250289.

It is not an unprimeable number, because it can be changed into a prime (113250283) 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 3 ways as a sum of consecutive naturals, for example, 75469 + ... + 76954.

It is an arithmetic number, because the mean of its divisors is an integer number (28350864).

Almost surely, 2113250289 is an apocalyptic number.

It is an amenable number.

113250289 is a deficient number, since it is larger than the sum of its proper divisors (153167).

113250289 is an equidigital number, since it uses as much as digits as its factorization.

113250289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153166.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 113250289 is about 10641.9119052922. The cubic root of 113250289 is about 483.8154946967.

The spelling of 113250289 in words is "one hundred thirteen million, two hundred fifty thousand, two hundred eighty-nine".

Divisors: 1 743 152423 113250289