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65132653 = 102163793
BaseRepresentation
bin1111100001110…
…1100001101101
311112120002012111
43320131201231
5113133221103
610244004021
71420422055
oct370354155
9145502174
1065132653
1133847143
1219990611
1310656241
148916565
155ab886d
hex3e1d86d

65132653 has 4 divisors (see below), whose sum is σ = 65197468. Its totient is φ = 65067840.

The previous prime is 65132633. The next prime is 65132671. The reversal of 65132653 is 35623156.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54361129 + 10771524 = 7373^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 65132653 - 25 = 65132621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65132633) 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, 30876 + ... + 32917.

It is an arithmetic number, because the mean of its divisors is an integer number (16299367).

Almost surely, 265132653 is an apocalyptic number.

It is an amenable number.

65132653 is a deficient number, since it is larger than the sum of its proper divisors (64815).

65132653 is a wasteful number, since it uses less digits than its factorization.

65132653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64814.

The product of its digits is 16200, while the sum is 31.

The square root of 65132653 is about 8070.4803450600. The cubic root of 65132653 is about 402.3459086354.

The spelling of 65132653 in words is "sixty-five million, one hundred thirty-two thousand, six hundred fifty-three".

Divisors: 1 1021 63793 65132653