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68264027 = 1317308887
BaseRepresentation
bin1000001000110…
…10000001011011
311202110011122022
410010122001123
5114433422102
610435045055
71456143326
oct404320133
9152404568
1068264027
1135595857
121aa4078b
13111b1620
1490cd7bd
155ed65a2
hex411a05b

68264027 has 8 divisors (see below), whose sum is σ = 77839776. Its totient is φ = 59306112.

The previous prime is 68264011. The next prime is 68264029. The reversal of 68264027 is 72046286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68264027 - 24 = 68264011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68264029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154223 + ... + 154664.

It is an arithmetic number, because the mean of its divisors is an integer number (9729972).

Almost surely, 268264027 is an apocalyptic number.

68264027 is a deficient number, since it is larger than the sum of its proper divisors (9575749).

68264027 is a wasteful number, since it uses less digits than its factorization.

68264027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308917.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68264027 is about 8262.2047299737. The cubic root of 68264027 is about 408.6930961632.

The spelling of 68264027 in words is "sixty-eight million, two hundred sixty-four thousand, twenty-seven".

Divisors: 1 13 17 221 308887 4015531 5251079 68264027