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117545105 = 539116011
BaseRepresentation
bin1110000000110…
…01100010010001
322012011220120102
413000121202101
5220042420410
615355222145
72625055046
oct700314221
9265156512
10117545105
1160395417
1233447955
131b477722
141187b1cd
15a4bd2a5
hex7019891

117545105 has 8 divisors (see below), whose sum is σ = 141113664. Its totient is φ = 93996400.

The previous prime is 117545093. The next prime is 117545107. The reversal of 117545105 is 501545711.

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

It is not a de Polignac number, because 117545105 - 210 = 117544081 is a prime.

It is a super-2 number, since 2×1175451052 = 27633703418922050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117545107) 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, 16550 + ... + 22560.

It is an arithmetic number, because the mean of its divisors is an integer number (17639208).

Almost surely, 2117545105 is an apocalyptic number.

It is an amenable number.

117545105 is a deficient number, since it is larger than the sum of its proper divisors (23568559).

117545105 is an equidigital number, since it uses as much as digits as its factorization.

117545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 117545105 is about 10841.8220332193. The cubic root of 117545105 is about 489.8557190088.

The spelling of 117545105 in words is "one hundred seventeen million, five hundred forty-five thousand, one hundred five".

Divisors: 1 5 3911 6011 19555 30055 23509021 117545105