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117865142 = 279773943
BaseRepresentation
bin1110000011001…
…11101010110110
322012210011120122
413001213222312
5220133141032
615410131542
72630560103
oct701475266
9265704518
10117865142
116059390a
1233580bb2
131b55a2b5
1411921aaa
15a533012
hex7067ab6

117865142 has 8 divisors (see below), whose sum is σ = 177021936. Its totient is φ = 58857832.

The previous prime is 117865129. The next prime is 117865207. The reversal of 117865142 is 241568711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35378 + ... + 38565.

It is an arithmetic number, because the mean of its divisors is an integer number (22127742).

Almost surely, 2117865142 is an apocalyptic number.

117865142 is a deficient number, since it is larger than the sum of its proper divisors (59156794).

117865142 is an equidigital number, since it uses as much as digits as its factorization.

117865142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74742.

The product of its digits is 13440, while the sum is 35.

The square root of 117865142 is about 10856.5713740573. The cubic root of 117865142 is about 490.2998886176.

The spelling of 117865142 in words is "one hundred seventeen million, eight hundred sixty-five thousand, one hundred forty-two".

Divisors: 1 2 797 1594 73943 147886 58932571 117865142