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117180345 = 357812023
BaseRepresentation
bin1101111110000…
…00011110111001
322011111101012210
412333000132321
5214444232340
615343325333
72622005442
oct677003671
9264441183
10117180345
1160166367
12332b0849
131b37a6a9
14117c42c9
15a44a180
hex6fc07b9

117180345 has 8 divisors (see below), whose sum is σ = 187488576. Its totient is φ = 62496176.

The previous prime is 117180299. The next prime is 117180359. The reversal of 117180345 is 543081711.

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

It is a cyclic number.

It is not a de Polignac number, because 117180345 - 218 = 116918201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3905997 + ... + 3906026.

It is an arithmetic number, because the mean of its divisors is an integer number (23436072).

Almost surely, 2117180345 is an apocalyptic number.

117180345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117180345 is a deficient number, since it is larger than the sum of its proper divisors (70308231).

117180345 is an equidigital number, since it uses as much as digits as its factorization.

117180345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812031.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 117180345 is about 10824.9870669669. The cubic root of 117180345 is about 489.3484955201.

The spelling of 117180345 in words is "one hundred seventeen million, one hundred eighty thousand, three hundred forty-five".

Divisors: 1 3 5 15 7812023 23436069 39060115 117180345