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117500945 = 561385249
BaseRepresentation
bin1110000000011…
…10110000010001
322012002122222212
413000032300101
5220040012240
615354241505
72624512232
oct700166021
9265078885
10117500945
1160365221
1233426295
131b4605b3
1411869089
15a4b0165
hex700ec11

117500945 has 8 divisors (see below), whose sum is σ = 143313000. Its totient is φ = 92459520.

The previous prime is 117500941. The next prime is 117501001. The reversal of 117500945 is 549005711.

It can be written as a sum of positive squares in 4 ways, for example, as 12397441 + 105103504 = 3521^2 + 10252^2 .

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

It is not a de Polignac number, because 117500945 - 22 = 117500941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117500941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192320 + ... + 192929.

It is an arithmetic number, because the mean of its divisors is an integer number (17914125).

Almost surely, 2117500945 is an apocalyptic number.

It is an amenable number.

117500945 is a deficient number, since it is larger than the sum of its proper divisors (25812055).

117500945 is an equidigital number, since it uses as much as digits as its factorization.

117500945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385315.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 117500945 is about 10839.7852838513. The cubic root of 117500945 is about 489.7943674165.

The spelling of 117500945 in words is "one hundred seventeen million, five hundred thousand, nine hundred forty-five".

Divisors: 1 5 61 305 385249 1926245 23500189 117500945