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68629796 = 2217157449
BaseRepresentation
bin1000001011100…
…11010100100100
311210010202101022
410011303110210
5120032123141
610450550312
71462225604
oct405632444
9153122338
1068629796
1135815644
121ab98398
13112abc61
149186c04
156059b4b
hex4173524

68629796 has 6 divisors (see below), whose sum is σ = 120102150. Its totient is φ = 34314896.

The previous prime is 68629789. The next prime is 68629817. The reversal of 68629796 is 69792686.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 13424896 = 7430^2 + 3664^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8578721 + ... + 8578728.

It is an arithmetic number, because the mean of its divisors is an integer number (20017025).

Almost surely, 268629796 is an apocalyptic number.

It is an amenable number.

68629796 is a deficient number, since it is larger than the sum of its proper divisors (51472354).

68629796 is a wasteful number, since it uses less digits than its factorization.

68629796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157453 (or 17157451 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 68629796 is about 8284.3102307917. The cubic root of 68629796 is about 409.4217428203.

The spelling of 68629796 in words is "sixty-eight million, six hundred twenty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 17157449 34314898 68629796