Search a number
-
+
68808354 = 2324234733
BaseRepresentation
bin1000001100111…
…10111010100010
311210110211022120
410012132322202
5120103331404
610454445110
71463601306
oct406367242
9153424276
1068808354
113592780a
121b063796
1311342304
1491d1d06
1560929d9
hex419eea2

68808354 has 16 divisors (see below), whose sum is σ = 137702592. Its totient is φ = 22921808.

The previous prime is 68808353. The next prime is 68808359. The reversal of 68808354 is 45380886.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68808353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12172 + ... + 16904.

It is an arithmetic number, because the mean of its divisors is an integer number (8606412).

Almost surely, 268808354 is an apocalyptic number.

68808354 is an abundant number, since it is smaller than the sum of its proper divisors (68894238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68808354 is a wasteful number, since it uses less digits than its factorization.

68808354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 68808354 is about 8295.0801081123. The cubic root of 68808354 is about 409.7765071859.

The spelling of 68808354 in words is "sixty-eight million, eight hundred eight thousand, three hundred fifty-four".

Divisors: 1 2 3 6 2423 4733 4846 7269 9466 14199 14538 28398 11468059 22936118 34404177 68808354