Search a number
-
+
68656355 = 583165437
BaseRepresentation
bin1000001011110…
…01110011100011
311210012002210222
410011321303203
5120034000410
610451313255
71462366205
oct405716343
9153162728
1068656355
1135833599
121abab82b
13112bb081
149192775
156062955
hex4179ce3

68656355 has 8 divisors (see below), whose sum is σ = 83380752. Its totient is φ = 54263008.

The previous prime is 68656339. The next prime is 68656363. The reversal of 68656355 is 55365686.

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 68656355 - 24 = 68656339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82304 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (10422594).

Almost surely, 268656355 is an apocalyptic number.

68656355 is a deficient number, since it is larger than the sum of its proper divisors (14724397).

68656355 is a wasteful number, since it uses less digits than its factorization.

68656355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165525.

The product of its digits is 648000, while the sum is 44.

The square root of 68656355 is about 8285.9130456456. The cubic root of 68656355 is about 409.4745499600.

The spelling of 68656355 in words is "sixty-eight million, six hundred fifty-six thousand, three hundred fifty-five".

Divisors: 1 5 83 415 165437 827185 13731271 68656355