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117670837 is a prime number
BaseRepresentation
bin1110000001110…
…00001110110101
322012102022001011
413000320032311
5220110431322
615402032221
72626120444
oct700701665
9265368034
10117670837
1160470929
12334a8671
131b4bca1b
14118b0d5b
15a4e5677
hex70383b5

117670837 has 2 divisors, whose sum is σ = 117670838. Its totient is φ = 117670836.

The previous prime is 117670811. The next prime is 117670849. The reversal of 117670837 is 738076711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106688241 + 10982596 = 10329^2 + 3314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117670837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117670837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117670897) 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 as a sum of consecutive naturals, namely, 58835418 + 58835419.

It is an arithmetic number, because the mean of its divisors is an integer number (58835419).

Almost surely, 2117670837 is an apocalyptic number.

It is an amenable number.

117670837 is a deficient number, since it is larger than the sum of its proper divisors (1).

117670837 is an equidigital number, since it uses as much as digits as its factorization.

117670837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 117670837 is about 10847.6189553284. The cubic root of 117670837 is about 490.0303146593.

The spelling of 117670837 in words is "one hundred seventeen million, six hundred seventy thousand, eight hundred thirty-seven".