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65047063 = 130349921
BaseRepresentation
bin1111100000100…
…0101000010111
311112101201210111
43320020220113
5113123001223
610242103451
71416614404
oct370105027
9145351714
1065047063
1133798904
121994ab87
13106262b3
1488d32ab
155a9d30d
hex3e08a17

65047063 has 4 divisors (see below), whose sum is σ = 65098288. Its totient is φ = 64995840.

The previous prime is 65047061. The next prime is 65047067. The reversal of 65047063 is 36074056.

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

It is a cyclic number.

It is not a de Polignac number, because 65047063 - 21 = 65047061 is a prime.

It is a super-2 number, since 2×650470632 = 8462240809851938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65047061) 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, 23658 + ... + 26263.

It is an arithmetic number, because the mean of its divisors is an integer number (16274572).

Almost surely, 265047063 is an apocalyptic number.

65047063 is a deficient number, since it is larger than the sum of its proper divisors (51225).

65047063 is a wasteful number, since it uses less digits than its factorization.

65047063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51224.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 65047063 is about 8065.1759435241. The cubic root of 65047063 is about 402.1695921486.

The spelling of 65047063 in words is "sixty-five million, forty-seven thousand, sixty-three".

Divisors: 1 1303 49921 65047063