Search a number
-
+
117000857 is a prime number
BaseRepresentation
bin1101111100101…
…00101010011001
322011011021000002
412332110222121
5214423011412
615335422345
72620330241
oct676245231
9264137002
10117000857
1160053526
12332249b5
131b316a9c
1411778b21
15a411dc2
hex6f94a99

117000857 has 2 divisors, whose sum is σ = 117000858. Its totient is φ = 117000856.

The previous prime is 117000833. The next prime is 117000883. The reversal of 117000857 is 758000711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72658576 + 44342281 = 8524^2 + 6659^2 .

It is a cyclic number.

It is not a de Polignac number, because 117000857 - 28 = 117000601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117009857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58500428 + 58500429.

It is an arithmetic number, because the mean of its divisors is an integer number (58500429).

Almost surely, 2117000857 is an apocalyptic number.

It is an amenable number.

117000857 is a deficient number, since it is larger than the sum of its proper divisors (1).

117000857 is an equidigital number, since it uses as much as digits as its factorization.

117000857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 117000857 is about 10816.6934411584. The cubic root of 117000857 is about 489.0985188258.

The spelling of 117000857 in words is "one hundred seventeen million, eight hundred fifty-seven", and thus it is an aban number.