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117018454 = 2719439919
BaseRepresentation
bin1101111100110…
…00111101010110
322011012011010211
412332120331112
5214424042304
615340040034
72620432450
oct676307526
9264164124
10117018454
1160065773
123323301a
131b321ab7
14117812d0
15a417204
hex6f98f56

117018454 has 16 divisors (see below), whose sum is σ = 211161600. Its totient is φ = 47511144.

The previous prime is 117018449. The next prime is 117018487. The reversal of 117018454 is 454810711.

It is a congruent number.

It is an unprimeable number.

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, 219694 + ... + 220225.

It is an arithmetic number, because the mean of its divisors is an integer number (13197600).

Almost surely, 2117018454 is an apocalyptic number.

117018454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117018454 is a deficient number, since it is larger than the sum of its proper divisors (94143146).

117018454 is a wasteful number, since it uses less digits than its factorization.

117018454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439947.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 117018454 is about 10817.5068292098. The cubic root of 117018454 is about 489.1230378347.

The spelling of 117018454 in words is "one hundred seventeen million, eighteen thousand, four hundred fifty-four".

Divisors: 1 2 7 14 19 38 133 266 439919 879838 3079433 6158866 8358461 16716922 58509227 117018454