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68076048 = 2431418251
BaseRepresentation
bin1000000111011…
…00001000010000
311202002121210010
410003230020100
5114411413143
610431034520
71454431305
oct403541020
9152077703
1068076048
11354775a7
121a96ba40
1311146bb1
1490810ac
155e9aa33
hex40ec210

68076048 has 20 divisors (see below), whose sum is σ = 175863248. Its totient is φ = 22692000.

The previous prime is 68076023. The next prime is 68076049. The reversal of 68076048 is 84067086.

It is a super-2 number, since 2×680760482 = 9268696622596608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68075997 and 68076015.

It is not an unprimeable number, because it can be changed into a prime (68076049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709078 + ... + 709173.

Almost surely, 268076048 is an apocalyptic number.

It is an amenable number.

68076048 is an abundant number, since it is smaller than the sum of its proper divisors (107787200).

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

68076048 is a wasteful number, since it uses less digits than its factorization.

68076048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418262 (or 1418256 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 68076048 is about 8250.8210500531. The cubic root of 68076048 is about 408.3176112045.

The spelling of 68076048 in words is "sixty-eight million, seventy-six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1418251 2836502 4254753 5673004 8509506 11346008 17019012 22692016 34038024 68076048