Search a number
-
+
68359904 = 252136247
BaseRepresentation
bin1000001001100…
…01011011100000
311202122001011022
410010301123200
5120000004104
610441105012
71460023004
oct404613340
9152561138
1068359904
1135650898
121aa88168
1311216162
149116704
156004bbe
hex41316e0

68359904 has 12 divisors (see below), whose sum is σ = 134583624. Its totient is φ = 34179936.

The previous prime is 68359897. The next prime is 68359913. The reversal of 68359904 is 40995386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068092 + ... + 1068155.

It is an arithmetic number, because the mean of its divisors is an integer number (11215302).

Almost surely, 268359904 is an apocalyptic number.

It is an amenable number.

68359904 is a deficient number, since it is larger than the sum of its proper divisors (66223720).

68359904 is a wasteful number, since it uses less digits than its factorization.

68359904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136257 (or 2136249 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 68359904 is about 8268.0048379280. The cubic root of 68359904 is about 408.8843434872.

The spelling of 68359904 in words is "sixty-eight million, three hundred fifty-nine thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 2136247 4272494 8544988 17089976 34179952 68359904