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117080784 = 2432813061
BaseRepresentation
bin1101111101010…
…00001011010000
322011022022122100
412332220023100
5214433041114
615341240400
72621112252
oct676501320
9264268570
10117080784
11600a8587
1233263100
131b344292
1411799cd2
15a42a909
hex6fa82d0

117080784 has 30 divisors (see below), whose sum is σ = 327663986. Its totient is φ = 39026880.

The previous prime is 117080783. The next prime is 117080827. The reversal of 117080784 is 487080711.

It can be written as a sum of positive squares in only one way, i.e., 99440784 + 17640000 = 9972^2 + 4200^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117080783) 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 5 ways as a sum of consecutive naturals, for example, 406387 + ... + 406674.

Almost surely, 2117080784 is an apocalyptic number.

It is an amenable number.

117080784 is an abundant number, since it is smaller than the sum of its proper divisors (210583202).

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

117080784 is a wasteful number, since it uses less digits than its factorization.

117080784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813075 (or 813066 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 117080784 is about 10820.3874237478. The cubic root of 117080784 is about 489.2098663833.

The spelling of 117080784 in words is "one hundred seventeen million, eighty thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 813061 1626122 2439183 3252244 4878366 6504488 7317549 9756732 13008976 14635098 19513464 29270196 39026928 58540392 117080784