Search a number
-
+
68433178 = 21112292531
BaseRepresentation
bin1000001010000…
…11010100011010
311202202202200011
410011003110122
5120004330203
610442432134
71460446432
oct405032432
9152682604
1068433178
11356a0950
121ab0264a
1311240608
1491352c2
15601b76d
hex414351a

68433178 has 16 divisors (see below), whose sum is σ = 112116960. Its totient is φ = 31068400.

The previous prime is 68433173. The next prime is 68433179. The reversal of 68433178 is 87133486.

It is a self number, because there is not a number n which added to its sum of digits gives 68433178.

It is not an unprimeable number, because it can be changed into a prime (68433173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25773 + ... + 28303.

It is an arithmetic number, because the mean of its divisors is an integer number (7007310).

Almost surely, 268433178 is an apocalyptic number.

68433178 is a deficient number, since it is larger than the sum of its proper divisors (43683782).

68433178 is a wasteful number, since it uses less digits than its factorization.

68433178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its digits is 96768, while the sum is 40.

The square root of 68433178 is about 8272.4348289968. The cubic root of 68433178 is about 409.0303837400.

The spelling of 68433178 in words is "sixty-eight million, four hundred thirty-three thousand, one hundred seventy-eight".

Divisors: 1 2 11 22 1229 2458 2531 5062 13519 27038 27841 55682 3110599 6221198 34216589 68433178