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113208817 = 7910913147
BaseRepresentation
bin1101011111101…
…10110111110001
321220000121022011
412233312313301
5212440140232
615122242521
72543154601
oct657666761
9256017264
10113208817
11589a3507
1231ab6441
131a5b9a87
141106cc01
159e13547
hex6bf6df1

113208817 has 8 divisors (see below), whose sum is σ = 115702400. Its totient is φ = 110741904.

The previous prime is 113208811. The next prime is 113208833. The reversal of 113208817 is 718802311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113208817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113208811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038 + ... + 15184.

It is an arithmetic number, because the mean of its divisors is an integer number (14462800).

Almost surely, 2113208817 is an apocalyptic number.

It is an amenable number.

113208817 is a deficient number, since it is larger than the sum of its proper divisors (2493583).

113208817 is a wasteful number, since it uses less digits than its factorization.

113208817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 113208817 is about 10639.9632048236. The cubic root of 113208817 is about 483.7564301059.

The spelling of 113208817 in words is "one hundred thirteen million, two hundred eight thousand, eight hundred seventeen".

Divisors: 1 79 109 8611 13147 1038613 1433023 113208817