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116915830 = 2514978467
BaseRepresentation
bin1101111011111…
…11111001110110
322010222221100221
412331333321312
5214412301310
615333524554
72616524323
oct675777166
9263887327
10116915830
115aaa5659
12331a375a
131b2b7185
1411755b4a
15a3e6ada
hex6f7fe76

116915830 has 16 divisors (see below), whose sum is σ = 211863600. Its totient is φ = 46451872.

The previous prime is 116915809. The next prime is 116915863. The reversal of 116915830 is 38519611.

It is a super-2 number, since 2×1169158302 = 27338622609177800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37744 + ... + 40723.

It is an arithmetic number, because the mean of its divisors is an integer number (13241475).

Almost surely, 2116915830 is an apocalyptic number.

116915830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116915830 is a deficient number, since it is larger than the sum of its proper divisors (94947770).

116915830 is a wasteful number, since it uses less digits than its factorization.

116915830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78623.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 116915830 is about 10812.7623667590. The cubic root of 116915830 is about 488.9800106973.

The spelling of 116915830 in words is "one hundred sixteen million, nine hundred fifteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 78467 156934 392335 784670 11691583 23383166 58457915 116915830