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65490695 = 513098139
BaseRepresentation
bin1111100111010…
…0111100000111
311120020021100022
43321310330013
5113231200240
610255405355
71423442654
oct371647407
9146207308
1065490695
1133a71146
1219b2385b
13107501ba
1489aac2b
155b399b5
hex3e74f07

65490695 has 4 divisors (see below), whose sum is σ = 78588840. Its totient is φ = 52392552.

The previous prime is 65490661. The next prime is 65490721. The reversal of 65490695 is 59609456.

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 65490695 - 212 = 65486599 is a prime.

It is a super-2 number, since 2×654906952 = 8578062263166050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6549065 + ... + 6549074.

It is an arithmetic number, because the mean of its divisors is an integer number (19647210).

Almost surely, 265490695 is an apocalyptic number.

65490695 is a deficient number, since it is larger than the sum of its proper divisors (13098145).

65490695 is a wasteful number, since it uses less digits than its factorization.

65490695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13098144.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 65490695 is about 8092.6321428816. The cubic root of 65490695 is about 403.0818097269.

The spelling of 65490695 in words is "sixty-five million, four hundred ninety thousand, six hundred ninety-five".

Divisors: 1 5 13098139 65490695