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113672387 = 176686611
BaseRepresentation
bin1101100011010…
…00000011000011
321220220011012102
412301220003003
5213100004022
615140221015
72550125243
oct661500303
9256804172
10113672387
115918a824
123209a76b
131a71ca8a
141114db23
159ea5a92
hex6c680c3

113672387 has 4 divisors (see below), whose sum is σ = 120359016. Its totient is φ = 106985760.

The previous prime is 113672359. The next prime is 113672423. The reversal of 113672387 is 783276311.

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

It is not a de Polignac number, because 113672387 - 26 = 113672323 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 113672387.

It is not an unprimeable number, because it can be changed into a prime (113672287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343289 + ... + 3343322.

It is an arithmetic number, because the mean of its divisors is an integer number (30089754).

Almost surely, 2113672387 is an apocalyptic number.

113672387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

113672387 is a deficient number, since it is larger than the sum of its proper divisors (6686629).

113672387 is an equidigital number, since it uses as much as digits as its factorization.

113672387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686628.

The product of its digits is 42336, while the sum is 38.

The square root of 113672387 is about 10661.7253294202. The cubic root of 113672387 is about 484.4158297708.

The spelling of 113672387 in words is "one hundred thirteen million, six hundred seventy-two thousand, three hundred eighty-seven".

Divisors: 1 17 6686611 113672387