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116919380 = 2255845969
BaseRepresentation
bin1101111100000…
…00110001010100
322011000010020102
412332000301110
5214412410010
615333553232
72616540554
oct676006124
9264003212
10116919380
115aaa8296
12331a5818
131b2b8986
1411757164
15a3e7ba5
hex6f80c54

116919380 has 12 divisors (see below), whose sum is σ = 245530740. Its totient is φ = 46767744.

The previous prime is 116919379. The next prime is 116919401. The reversal of 116919380 is 83919611.

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 51179716 = 8108^2 + 7154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922965 + ... + 2923004.

It is an arithmetic number, because the mean of its divisors is an integer number (20460895).

Almost surely, 2116919380 is an apocalyptic number.

116919380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116919380 is an abundant number, since it is smaller than the sum of its proper divisors (128611360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116919380 is a wasteful number, since it uses less digits than its factorization.

116919380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845978 (or 5845976 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 116919380 is about 10812.9265233793. The cubic root of 116919380 is about 488.9849597319.

The spelling of 116919380 in words is "one hundred sixteen million, nine hundred nineteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 5845969 11691938 23383876 29229845 58459690 116919380