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116920031 = 715932777
BaseRepresentation
bin1101111100000…
…00111011011111
322011000011010112
412332000323133
5214412420111
615334000235
72616542504
oct676007337
9264004115
10116920031
115aaa8828
12331a607b
131b2b9067
14117574ab
15a3e7e8b
hex6f80edf

116920031 has 8 divisors (see below), whose sum is σ = 118809504. Its totient is φ = 115037440.

The previous prime is 116920019. The next prime is 116920039. The reversal of 116920031 is 130029611.

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-116920031 is a prime.

It is a super-2 number, since 2×1169200312 = 27340587298081922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116919979 and 116920006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116920039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40715 + ... + 43491.

It is an arithmetic number, because the mean of its divisors is an integer number (14851188).

Almost surely, 2116920031 is an apocalyptic number.

116920031 is a deficient number, since it is larger than the sum of its proper divisors (1889473).

116920031 is an equidigital number, since it uses as much as digits as its factorization.

116920031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 116920031 is about 10812.9566261962. The cubic root of 116920031 is about 488.9858672764.

Adding to 116920031 its reverse (130029611), we get a palindrome (246949642).

The spelling of 116920031 in words is "one hundred sixteen million, nine hundred twenty thousand, thirty-one".

Divisors: 1 71 593 2777 42103 197167 1646761 116920031