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8980809 = 32993603
BaseRepresentation
bin100010010000…
…100101001001
3121220021100120
4202100211021
54244341214
6520253453
7136223055
oct42204511
917807316
108980809
115084462
123011289
131b259b6
14129ac65
15bc5ea9
hex890949

8980809 has 4 divisors (see below), whose sum is σ = 11974416. Its totient is φ = 5987204.

The previous prime is 8980789. The next prime is 8980813. The reversal of 8980809 is 9080898.

8980809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8980809 - 212 = 8976713 is a prime.

8980809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8980859) 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, 1496799 + ... + 1496804.

It is an arithmetic number, because the mean of its divisors is an integer number (2993604).

Almost surely, 28980809 is an apocalyptic number.

It is an amenable number.

8980809 is a deficient number, since it is larger than the sum of its proper divisors (2993607).

8980809 is a wasteful number, since it uses less digits than its factorization.

8980809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993606.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 8980809 is about 2996.7997931126. The cubic root of 8980809 is about 207.8604293579.

The spelling of 8980809 in words is "eight million, nine hundred eighty thousand, eight hundred nine".

Divisors: 1 3 2993603 8980809