117282450 has 24 divisors (see below), whose sum is σ = 290860848. Its totient is φ = 31275280.

The previous prime is 117282449. The next prime is 117282461. The reversal of 117282450 is 54282711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390792 + ... + 391091.

It is an arithmetic number, because the mean of its divisors is an integer number (12119202).

Almost surely, 2^117282450 is an apocalyptic number.

117282450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117282450 is an abundant number, since it is smaller than the sum of its proper divisors (173578398).

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

117282450 is a wasteful number, since it uses less digits than its factorization.

117282450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781898 (or 781893 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 117282450 is about 10829.7022119724. The cubic root of 117282450 is about 489.4905853984.

The spelling of 117282450 in words is "one hundred seventeen million, two hundred eighty-two thousand, four hundred fifty".