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8813425 = 521672111
BaseRepresentation
bin100001100111…
…101101110001
3121120202202011
4201213231301
54224012200
6512522521
7134625055
oct41475561
917522664
108813425
114a7a725
122b50441
131a9775a
141255c65
15b915ba
hex867b71

8813425 has 12 divisors (see below), whose sum is σ = 10999296. Its totient is φ = 7005200.

The previous prime is 8813407. The next prime is 8813447. The reversal of 8813425 is 5243188.

It is not a de Polignac number, because 8813425 - 29 = 8812913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3120 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 28813425 is an apocalyptic number.

It is an amenable number.

8813425 is a deficient number, since it is larger than the sum of its proper divisors (2185871).

8813425 is a wasteful number, since it uses less digits than its factorization.

8813425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2283 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 8813425 is about 2968.7413157768. The cubic root of 8813425 is about 206.5609573278.

The spelling of 8813425 in words is "eight million, eight hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 167 835 2111 4175 10555 52775 352537 1762685 8813425