117648930 has 32 divisors (see below), whose sum is σ = 322694784. Its totient is φ = 26891136.

The previous prime is 117648929. The next prime is 117649031. The reversal of 117648930 is 39846711.

117648930 = T₁₉₀₁ + T₁₉₀₂ + ... + T₁₉₆₃.

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 15 ways as a sum of consecutive naturals, for example, 279907 + ... + 280326.

It is an arithmetic number, because the mean of its divisors is an integer number (10084212).

Almost surely, 2^117648930 is an apocalyptic number.

117648930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117648930 is an abundant number, since it is smaller than the sum of its proper divisors (205045854).

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

117648930 is a wasteful number, since it uses less digits than its factorization.

117648930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560250.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 117648930 is about 10846.6091475631. The cubic root of 117648930 is about 489.9999028183. Note that the first 4 decimals are identical.

The spelling of 117648930 in words is "one hundred seventeen million, six hundred forty-eight thousand, nine hundred thirty".