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117880390 = 2511788039
BaseRepresentation
bin1110000011010…
…11011001000110
322012210221111101
413001223121012
5220134133030
615410330314
72630652415
oct701533106
9265727441
10117880390
11605a4311
123358999a
131b564214
141192747c
15a5377ca
hex706b646

117880390 has 8 divisors (see below), whose sum is σ = 212184720. Its totient is φ = 47152152.

The previous prime is 117880381. The next prime is 117880391. The reversal of 117880390 is 93088711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117880391) 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 3 ways as a sum of consecutive naturals, for example, 5894010 + ... + 5894029.

It is an arithmetic number, because the mean of its divisors is an integer number (26523090).

Almost surely, 2117880390 is an apocalyptic number.

117880390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117880390 is a deficient number, since it is larger than the sum of its proper divisors (94304330).

117880390 is a wasteful number, since it uses less digits than its factorization.

117880390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788046.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 117880390 is about 10857.2735988369. The cubic root of 117880390 is about 490.3210307755.

The spelling of 117880390 in words is "one hundred seventeen million, eight hundred eighty thousand, three hundred ninety".

Divisors: 1 2 5 10 11788039 23576078 58940195 117880390