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117079780 = 2255853989
BaseRepresentation
bin1101111101001…
…11111011100100
322011022021021011
412332213323210
5214433023110
615341232004
72621106316
oct676477344
9264267234
10117079780
11600a7854
1233262604
131b34399c
14117997b6
15a42a48a
hex6fa7ee4

117079780 has 12 divisors (see below), whose sum is σ = 245867580. Its totient is φ = 46831904.

The previous prime is 117079771. The next prime is 117079811. The reversal of 117079780 is 87970711.

It can be written as a sum of positive squares in 2 ways, for example, as 89264704 + 27815076 = 9448^2 + 5274^2 .

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, 2926975 + ... + 2927014.

It is an arithmetic number, because the mean of its divisors is an integer number (20488965).

Almost surely, 2117079780 is an apocalyptic number.

117079780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117079780 is an abundant number, since it is smaller than the sum of its proper divisors (128787800).

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

117079780 is a wasteful number, since it uses less digits than its factorization.

117079780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853998 (or 5853996 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 117079780 is about 10820.3410297458. The cubic root of 117079780 is about 489.2084680095.

The spelling of 117079780 in words is "one hundred seventeen million, seventy-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 5853989 11707978 23415956 29269945 58539890 117079780