Search a number
-
+
68336091 = 327592899
BaseRepresentation
bin1000001001010…
…11100111011011
311202120211111100
410010223213123
5114443223331
610440402443
71456563405
oct404534733
9152524440
1068336091
1135634a0a
121aa76423
1311208375
14910bb75
155eecae6
hex412b9db

68336091 has 6 divisors (see below), whose sum is σ = 98707700. Its totient is φ = 45557388.

The previous prime is 68336083. The next prime is 68336113. The reversal of 68336091 is 19063386.

It is a happy number.

It is not a de Polignac number, because 68336091 - 23 = 68336083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68336041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3796441 + ... + 3796458.

Almost surely, 268336091 is an apocalyptic number.

68336091 is a deficient number, since it is larger than the sum of its proper divisors (30371609).

68336091 is a wasteful number, since it uses less digits than its factorization.

68336091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592905 (or 7592902 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 68336091 is about 8266.5646431876. The cubic root of 68336091 is about 408.8368600303.

The spelling of 68336091 in words is "sixty-eight million, three hundred thirty-six thousand, ninety-one".

Divisors: 1 3 9 7592899 22778697 68336091