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117981037 = 1767103583
BaseRepresentation
bin1110000100000…
…11111101101101
322020000001120001
413002003331231
5220200343122
615412424301
72631552016
oct702037555
9266001501
10117981037
1160662999
1233618091
131b59ac85
141195200d
15a557527
hex7083f6d

117981037 has 8 divisors (see below), whose sum is σ = 126786816. Its totient is φ = 109382592.

The previous prime is 117981001. The next prime is 117981043. The reversal of 117981037 is 730189711.

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

It is not a de Polignac number, because 117981037 - 27 = 117980909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117980987 and 117981005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117981047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50653 + ... + 52930.

It is an arithmetic number, because the mean of its divisors is an integer number (15848352).

Almost surely, 2117981037 is an apocalyptic number.

117981037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117981037 is a deficient number, since it is larger than the sum of its proper divisors (8805779).

117981037 is a wasteful number, since it uses less digits than its factorization.

117981037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103667.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 117981037 is about 10861.9076133062. The cubic root of 117981037 is about 490.4605374470.

The spelling of 117981037 in words is "one hundred seventeen million, nine hundred eighty-one thousand, thirty-seven".

Divisors: 1 17 67 1139 103583 1760911 6940061 117981037