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80081353 = 117699467
BaseRepresentation
bin1001100010111…
…11000111001001
312120200112222001
410301133013021
5131000100403
611540231001
71661452222
oct461370711
9176615861
1080081353
1141227340
122299b461
131378b421
14a8c8249
15706cc1d
hex4c5f1c9

80081353 has 8 divisors (see below), whose sum is σ = 87484320. Its totient is φ = 72698880.

The previous prime is 80081341. The next prime is 80081369. The reversal of 80081353 is 35318008.

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 80081353 - 221 = 77984201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80081453) 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, 3726 + ... + 13192.

It is an arithmetic number, because the mean of its divisors is an integer number (10935540).

Almost surely, 280081353 is an apocalyptic number.

It is an amenable number.

80081353 is a deficient number, since it is larger than the sum of its proper divisors (7402967).

80081353 is a wasteful number, since it uses less digits than its factorization.

80081353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 80081353 is about 8948.8185253697. The cubic root of 80081353 is about 431.0329466293.

The spelling of 80081353 in words is "eighty million, eighty-one thousand, three hundred fifty-three".

Divisors: 1 11 769 8459 9467 104137 7280123 80081353