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117819084 = 2239818257
BaseRepresentation
bin1110000010111…
…00011011001100
322012200211101210
413001130123030
5220130202314
615405134420
72630305605
oct701343314
9265624353
10117819084
1160562249
123355a410
131b542346
141190cdac
15a524559
hex705c6cc

117819084 has 12 divisors (see below), whose sum is σ = 274911224. Its totient is φ = 39273024.

The previous prime is 117819071. The next prime is 117819089. The reversal of 117819084 is 480918711.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (117819089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4909117 + ... + 4909140.

Almost surely, 2117819084 is an apocalyptic number.

It is an amenable number.

117819084 is an abundant number, since it is smaller than the sum of its proper divisors (157092140).

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

117819084 is a wasteful number, since it uses less digits than its factorization.

117819084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818264 (or 9818262 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 117819084 is about 10854.4499630336. The cubic root of 117819084 is about 490.2360156919.

The spelling of 117819084 in words is "one hundred seventeen million, eight hundred nineteen thousand, eighty-four".

Divisors: 1 2 3 4 6 12 9818257 19636514 29454771 39273028 58909542 117819084