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8080257 = 313611979
BaseRepresentation
bin11110110100101110000001
3120012112000210
4132310232001
54032032012
6445104333
7125452413
oct36645601
916175023
108080257
1146198a9
1228580a9
13189bb23
1411049b3
15a9923c
hex7b4b81

8080257 has 8 divisors (see below), whose sum is σ = 10787040. Its totient is φ = 5380160.

The previous prime is 8080229. The next prime is 8080271. The reversal of 8080257 is 7520808.

8080257 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 8080257 - 211 = 8078209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8080277) 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, 3094 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (1348380).

Almost surely, 28080257 is an apocalyptic number.

It is an amenable number.

8080257 is a deficient number, since it is larger than the sum of its proper divisors (2706783).

8080257 is a wasteful number, since it uses less digits than its factorization.

8080257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 8080257 is about 2842.5792864932. The cubic root of 8080257 is about 200.6665841927. Note that the first 3 decimals are identical.

The spelling of 8080257 in words is "eight million, eighty thousand, two hundred fifty-seven".

Divisors: 1 3 1361 1979 4083 5937 2693419 8080257