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8485881 = 32828627
BaseRepresentation
bin100000010111…
…101111111001
3120222010102220
4200113233321
54133022011
6501514253
7132062115
oct40275771
916863386
108485881
114876628
122a12989
1319b1641
1411ac745
15b29506
hex817bf9

8485881 has 4 divisors (see below), whose sum is σ = 11314512. Its totient is φ = 5657252.

The previous prime is 8485877. The next prime is 8485889. The reversal of 8485881 is 1885848.

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 8485881 - 22 = 8485877 is a prime.

It is a super-2 number, since 2×84858812 = 144020352692322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8485889) 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, 1414311 + ... + 1414316.

It is an arithmetic number, because the mean of its divisors is an integer number (2828628).

Almost surely, 28485881 is an apocalyptic number.

It is an amenable number.

8485881 is a deficient number, since it is larger than the sum of its proper divisors (2828631).

8485881 is a wasteful number, since it uses less digits than its factorization.

8485881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828630.

The product of its digits is 81920, while the sum is 42.

The square root of 8485881 is about 2913.0535525459. The cubic root of 8485881 is about 203.9696946524.

The spelling of 8485881 in words is "eight million, four hundred eighty-five thousand, eight hundred eighty-one".

Divisors: 1 3 2828627 8485881