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68767892 = 2217191973
BaseRepresentation
bin1000001100101…
…01000010010100
311210101202210222
410012111002110
5120101033032
610453533512
71463342324
oct406250224
9153352728
1068767892
11358aa376
121b044298
1311329a7b
1491c1284
156085a12
hex4195094

68767892 has 6 divisors (see below), whose sum is σ = 120343818. Its totient is φ = 34383944.

The previous prime is 68767877. The next prime is 68767921. The reversal of 68767892 is 29876786.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43507216 + 25260676 = 6596^2 + 5026^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8595983 + ... + 8595990.

It is an arithmetic number, because the mean of its divisors is an integer number (20057303).

Almost surely, 268767892 is an apocalyptic number.

It is an amenable number.

68767892 is a deficient number, since it is larger than the sum of its proper divisors (51575926).

68767892 is a wasteful number, since it uses less digits than its factorization.

68767892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17191977 (or 17191975 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 68767892 is about 8292.6408338960. The cubic root of 68767892 is about 409.6961699056.

The spelling of 68767892 in words is "sixty-eight million, seven hundred sixty-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 17191973 34383946 68767892