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65027938 = 232513969
BaseRepresentation
bin1111100000001…
…1111101100010
311112100202120011
43320003331202
5113121343223
610241435134
71416504553
oct370037542
9145322504
1065027938
11337854a8
121993baaa
131061a691
1488ca32a
155a9780d
hex3e03f62

65027938 has 4 divisors (see below), whose sum is σ = 97541910. Its totient is φ = 32513968.

The previous prime is 65027933. The next prime is 65027959. The reversal of 65027938 is 83972056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45198729 + 19829209 = 6723^2 + 4453^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 65027938.

It is not an unprimeable number, because it can be changed into a prime (65027933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256983 + ... + 16256986.

Almost surely, 265027938 is an apocalyptic number.

65027938 is a deficient number, since it is larger than the sum of its proper divisors (32513972).

65027938 is a wasteful number, since it uses less digits than its factorization.

65027938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32513971.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 65027938 is about 8063.9902033671. The cubic root of 65027938 is about 402.1301732672.

The spelling of 65027938 in words is "sixty-five million, twenty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 32513969 65027938