Search a number
-
+
68660170 = 256866017
BaseRepresentation
bin1000001011110…
…10101111001010
311210012022001021
410011322233022
5120034111140
610451343054
71462413265
oct405725712
9153168037
1068660170
1135836447
121abb1a8a
13112bca27
149193cdc
156063b4a
hex417abca

68660170 has 8 divisors (see below), whose sum is σ = 123588324. Its totient is φ = 27464064.

The previous prime is 68660149. The next prime is 68660191. The reversal of 68660170 is 7106686.

It is an interprime number because it is at equal distance from previous prime (68660149) and next prime (68660191).

It can be written as a sum of positive squares in 2 ways, for example, as 67617729 + 1042441 = 8223^2 + 1021^2 .

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

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, 3432999 + ... + 3433018.

Almost surely, 268660170 is an apocalyptic number.

68660170 is a deficient number, since it is larger than the sum of its proper divisors (54928154).

68660170 is a wasteful number, since it uses less digits than its factorization.

68660170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866024.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 68660170 is about 8286.1432524426. The cubic root of 68660170 is about 409.4821341886.

The spelling of 68660170 in words is "sixty-eight million, six hundred sixty thousand, one hundred seventy".

Divisors: 1 2 5 10 6866017 13732034 34330085 68660170