Search a number
-
+
117427109 = 1743160639
BaseRepresentation
bin1101111111111…
…00101110100101
322011221220201012
412333330232211
5220030131414
615352512005
72624054042
oct677745645
9264856635
10117427109
11603147a8
12333ab605
131b435ac7
141184a1c9
15a49833e
hex6ffcba5

117427109 has 8 divisors (see below), whose sum is σ = 127226880. Its totient is φ = 107948736.

The previous prime is 117427097. The next prime is 117427127. The reversal of 117427109 is 901724711.

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 117427109 - 212 = 117423013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117427129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79589 + ... + 81050.

It is an arithmetic number, because the mean of its divisors is an integer number (15903360).

Almost surely, 2117427109 is an apocalyptic number.

It is an amenable number.

117427109 is a deficient number, since it is larger than the sum of its proper divisors (9799771).

117427109 is a wasteful number, since it uses less digits than its factorization.

117427109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160699.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 117427109 is about 10836.3789616274. The cubic root of 117427109 is about 489.6917525407.

The spelling of 117427109 in words is "one hundred seventeen million, four hundred twenty-seven thousand, one hundred nine".

Divisors: 1 17 43 731 160639 2730863 6907477 117427109