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80053653 = 373936109
BaseRepresentation
bin1001100010110…
…00010110010101
312120122010222010
410301120112111
5130443204103
611535454433
71661305401
oct461302625
9176563863
1080053653
1141208549
1222987419
131377b934
14a8bc101
157064903
hex4c58595

80053653 has 8 divisors (see below), whose sum is σ = 106885600. Its totient is φ = 53295408.

The previous prime is 80053651. The next prime is 80053657. The reversal of 80053653 is 35635008.

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

It is not a de Polignac number, because 80053653 - 21 = 80053651 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80053653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80053651) 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, 15838 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (13360700).

Almost surely, 280053653 is an apocalyptic number.

It is an amenable number.

80053653 is a deficient number, since it is larger than the sum of its proper divisors (26831947).

80053653 is a wasteful number, since it uses less digits than its factorization.

80053653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 80053653 is about 8947.2707011692. The cubic root of 80053653 is about 430.9832430505.

The spelling of 80053653 in words is "eighty million, fifty-three thousand, six hundred fifty-three".

Divisors: 1 3 739 2217 36109 108327 26684551 80053653