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68214112 = 252131691
BaseRepresentation
bin1000001000011…
…01110101100000
311202100122011121
410010031311200
5114430322422
610434022024
71455544651
oct404156540
9152318147
1068214112
11355612aa
121aa17914
13111949a5
1490b9528
155ec68c7
hex410dd60

68214112 has 12 divisors (see below), whose sum is σ = 134296596. Its totient is φ = 34107040.

The previous prime is 68214079. The next prime is 68214143. The reversal of 68214112 is 21141286.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 1065814 + ... + 1065877.

It is an arithmetic number, because the mean of its divisors is an integer number (11191383).

Almost surely, 268214112 is an apocalyptic number.

It is an amenable number.

68214112 is a deficient number, since it is larger than the sum of its proper divisors (66082484).

68214112 is a wasteful number, since it uses less digits than its factorization.

68214112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131701 (or 2131693 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 68214112 is about 8259.1834947530. The cubic root of 68214112 is about 408.5934590581.

Adding to 68214112 its reverse (21141286), we get a palindrome (89355398).

The spelling of 68214112 in words is "sixty-eight million, two hundred fourteen thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 2131691 4263382 8526764 17053528 34107056 68214112