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80275253 = 417326821
BaseRepresentation
bin1001100100011…
…10011100110101
312121001101221112
410302032130311
5131022302003
611544324405
71663220432
oct462163465
9177041845
1080275253
1141349a93
1222a73705
1313828766
14a938b89
1570aa3d8
hex4c8e735

80275253 has 8 divisors (see below), whose sum is σ = 83362776. Its totient is φ = 77241600.

The previous prime is 80275229. The next prime is 80275271. The reversal of 80275253 is 35257208.

It can be written as a sum of positive squares in 4 ways, for example, as 9597604 + 70677649 = 3098^2 + 8407^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80275253 - 220 = 79226677 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 (80275553) 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, 10418 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (10420347).

Almost surely, 280275253 is an apocalyptic number.

It is an amenable number.

80275253 is a deficient number, since it is larger than the sum of its proper divisors (3087523).

80275253 is a wasteful number, since it uses less digits than its factorization.

80275253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 80275253 is about 8959.6458077315. The cubic root of 80275253 is about 431.3805511628.

The spelling of 80275253 in words is "eighty million, two hundred seventy-five thousand, two hundred fifty-three".

Divisors: 1 41 73 2993 26821 1099661 1957933 80275253