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117981074 = 2531113029
BaseRepresentation
bin1110000100000…
…11111110010010
322020000001121102
413002003332102
5220200343244
615412424402
72631552101
oct702037622
9266001542
10117981074
1160662a22
1233618102
131b59acb3
1411952038
15a55754e
hex7083f92

117981074 has 8 divisors (see below), whose sum is σ = 180310860. Its totient is φ = 57877456.

The previous prime is 117981047. The next prime is 117981079. The reversal of 117981074 is 470189711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90345025 + 27636049 = 9505^2 + 5257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117981079) 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, 556409 + ... + 556620.

Almost surely, 2117981074 is an apocalyptic number.

117981074 is a deficient number, since it is larger than the sum of its proper divisors (62329786).

117981074 is a wasteful number, since it uses less digits than its factorization.

117981074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113084.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 117981074 is about 10861.9093165060. The cubic root of 117981074 is about 490.4605887180.

The spelling of 117981074 in words is "one hundred seventeen million, nine hundred eighty-one thousand, seventy-four".

Divisors: 1 2 53 106 1113029 2226058 58990537 117981074