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68336844 = 22319299723
BaseRepresentation
bin1000001001010…
…11110011001100
311202120212112020
410010223303030
5114443234334
610440410140
71456565532
oct404536314
9152525466
1068336844
1135635534
121aa76950
1311208804
14910c152
155eece49
hex412bccc

68336844 has 24 divisors (see below), whose sum is σ = 167845440. Its totient is φ = 21579984.

The previous prime is 68336839. The next prime is 68336867. The reversal of 68336844 is 44863386.

It is a junction number, because it is equal to n+sod(n) for n = 68336796 and 68336805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149634 + ... + 150089.

It is an arithmetic number, because the mean of its divisors is an integer number (6993560).

Almost surely, 268336844 is an apocalyptic number.

It is an amenable number.

68336844 is an abundant number, since it is smaller than the sum of its proper divisors (99508596).

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

68336844 is a wasteful number, since it uses less digits than its factorization.

68336844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299749 (or 299747 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 68336844 is about 8266.6101879791. The cubic root of 68336844 is about 408.8383616917.

The spelling of 68336844 in words is "sixty-eight million, three hundred thirty-six thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 299723 599446 899169 1198892 1798338 3596676 5694737 11389474 17084211 22778948 34168422 68336844