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68727612 = 2235727301
BaseRepresentation
bin1000001100010…
…11001100111100
311210022201120010
410012023030330
5120043240422
610453023220
71463114022
oct406131474
9153281503
1068727612
1135882088
121b024b10
1311314635
1491b0712
156078b0c
hex418b33c

68727612 has 12 divisors (see below), whose sum is σ = 160364456. Its totient is φ = 22909200.

The previous prime is 68727599. The next prime is 68727613. The reversal of 68727612 is 21672786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68727613) 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, 2863639 + ... + 2863662.

Almost surely, 268727612 is an apocalyptic number.

It is an amenable number.

68727612 is an abundant number, since it is smaller than the sum of its proper divisors (91636844).

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

68727612 is a wasteful number, since it uses less digits than its factorization.

68727612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727308 (or 5727306 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 68727612 is about 8290.2118187655. The cubic root of 68727612 is about 409.6161626796.

The spelling of 68727612 in words is "sixty-eight million, seven hundred twenty-seven thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 5727301 11454602 17181903 22909204 34363806 68727612