Search a number
-
+
68649996 = 2233125953
BaseRepresentation
bin1000001011110…
…00010000001100
311210011210002110
410011320100030
5120033244441
610451224020
71462341522
oct405702014
9153153073
1068649996
1135829838
121aba8010
13112b81cc
149190312
156060b16
hex417840c

68649996 has 36 divisors (see below), whose sum is σ = 165545016. Its totient is φ = 22141440.

The previous prime is 68649967. The next prime is 68650019. The reversal of 68649996 is 69994686.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8556 + ... + 14508.

Almost surely, 268649996 is an apocalyptic number.

It is an amenable number.

68649996 is an abundant number, since it is smaller than the sum of its proper divisors (96895020).

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

68649996 is a wasteful number, since it uses less digits than its factorization.

68649996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 5989 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The square root of 68649996 is about 8285.5293132062. The cubic root of 68649996 is about 409.4619076292.

The spelling of 68649996 in words is "sixty-eight million, six hundred forty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 961 1922 2883 3844 5766 5953 11532 11906 17859 23812 35718 71436 184543 369086 553629 738172 1107258 2214516 5720833 11441666 17162499 22883332 34324998 68649996