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68277572 = 22111551763
BaseRepresentation
bin1000001000111…
…01010101000100
311202110212012222
410010131111010
5114434340242
610435231512
71456230656
oct404352504
9152425188
1068277572
11355a4a50
121aa48598
13111b783c
1490d46d6
155eda5d2
hex411d544

68277572 has 12 divisors (see below), whose sum is σ = 130348176. Its totient is φ = 31035240.

The previous prime is 68277569. The next prime is 68277577. The reversal of 68277572 is 27577286.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1551763 = 68277572 / (6 + 8 + 2 + 7 + 7 + 5 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (68277577) 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, 775838 + ... + 775925.

It is an arithmetic number, because the mean of its divisors is an integer number (10862348).

Almost surely, 268277572 is an apocalyptic number.

It is an amenable number.

68277572 is a deficient number, since it is larger than the sum of its proper divisors (62070604).

68277572 is a wasteful number, since it uses less digits than its factorization.

68277572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551778 (or 1551776 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 68277572 is about 8263.0243857803. The cubic root of 68277572 is about 408.7201254402.

The spelling of 68277572 in words is "sixty-eight million, two hundred seventy-seven thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 44 1551763 3103526 6207052 17069393 34138786 68277572