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117986020 = 2257577793
BaseRepresentation
bin1110000100001…
…01001011100100
322020000022101121
413002011023210
5220201023040
615412503324
72631602365
oct702051344
9266008347
10117986020
1160666709
123361ab44
131b5a0319
1411953b6c
15a558c4a
hex70852e4

117986020 has 24 divisors (see below), whose sum is σ = 248129784. Its totient is φ = 47126016.

The previous prime is 117985993. The next prime is 117986039. The reversal of 117986020 is 20689711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48330304 + 69655716 = 6952^2 + 8346^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11244 + ... + 19036.

It is an arithmetic number, because the mean of its divisors is an integer number (10338741).

Almost surely, 2117986020 is an apocalyptic number.

117986020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117986020 is an abundant number, since it is smaller than the sum of its proper divisors (130143764).

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

117986020 is a wasteful number, since it uses less digits than its factorization.

117986020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 117986020 is about 10862.1369904821. The cubic root of 117986020 is about 490.4674423149.

The spelling of 117986020 in words is "one hundred seventeen million, nine hundred eighty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 757 1514 3028 3785 7570 7793 15140 15586 31172 38965 77930 155860 5899301 11798602 23597204 29496505 58993010 117986020