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68370724 = 2217092681
BaseRepresentation
bin1000001001101…
…00000100100100
311202122121000001
410010310010210
5120000330344
610441231044
71460066362
oct404640444
9152577001
1068370724
1135658a34
121aa92484
131121b066
14911a632
156007ed4
hex4134124

68370724 has 6 divisors (see below), whose sum is σ = 119648774. Its totient is φ = 34185360.

The previous prime is 68370713. The next prime is 68370733. The reversal of 68370724 is 42707386.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 12390400 = 7482^2 + 3520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8546337 + ... + 8546344.

Almost surely, 268370724 is an apocalyptic number.

It is an amenable number.

68370724 is a deficient number, since it is larger than the sum of its proper divisors (51278050).

68370724 is a wasteful number, since it uses less digits than its factorization.

68370724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092685 (or 17092683 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 68370724 is about 8268.6591416021. The cubic root of 68370724 is about 408.9059150760.

The spelling of 68370724 in words is "sixty-eight million, three hundred seventy thousand, seven hundred twenty-four".

Divisors: 1 2 4 17092681 34185362 68370724