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68282799 = 31310716363
BaseRepresentation
bin1000001000111…
…10100110101111
311202111010101120
410010132212233
5114440022144
610435312023
71456252134
oct404364657
9152433346
1068282799
11355a8972
121aa4b613
13111ba030
1490d658b
155edbe19
hex411e9af

68282799 has 16 divisors (see below), whose sum is σ = 98969472. Its totient is φ = 41624928.

The previous prime is 68282779. The next prime is 68282803. The reversal of 68282799 is 99728286.

It is a happy number.

It is not a de Polignac number, because 68282799 - 215 = 68250031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68282749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009 + ... + 12354.

It is an arithmetic number, because the mean of its divisors is an integer number (6185592).

Almost surely, 268282799 is an apocalyptic number.

68282799 is a deficient number, since it is larger than the sum of its proper divisors (30686673).

68282799 is a wasteful number, since it uses less digits than its factorization.

68282799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486.

The product of its digits is 870912, while the sum is 51.

The square root of 68282799 is about 8263.3406682770. The cubic root of 68282799 is about 408.7305550514.

The spelling of 68282799 in words is "sixty-eight million, two hundred eighty-two thousand, seven hundred ninety-nine".

Divisors: 1 3 13 39 107 321 1391 4173 16363 49089 212719 638157 1750841 5252523 22760933 68282799