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117889960 = 2352947249
BaseRepresentation
bin1110000011011…
…01101110101000
322012211102121211
413001231232220
5220134434320
615410442504
72631022336
oct701555650
9265742554
10117889960
1160600521
1233593434
131b568696
141192ab56
15a53a55a
hex706dba8

117889960 has 16 divisors (see below), whose sum is σ = 265252500. Its totient is φ = 47155968.

The previous prime is 117889957. The next prime is 117889979. The reversal of 117889960 is 69988711.

It can be written as a sum of positive squares in 2 ways, for example, as 117462244 + 427716 = 10838^2 + 654^2 .

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, 1473585 + ... + 1473664.

Almost surely, 2117889960 is an apocalyptic number.

117889960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117889960 is an abundant number, since it is smaller than the sum of its proper divisors (147362540).

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

117889960 is a wasteful number, since it uses less digits than its factorization.

117889960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947260 (or 2947256 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 117889960 is about 10857.7143082695. The cubic root of 117889960 is about 490.3342991551.

The spelling of 117889960 in words is "one hundred seventeen million, eight hundred eighty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2947249 5894498 11788996 14736245 23577992 29472490 58944980 117889960