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8985606 = 237213943
BaseRepresentation
bin100010010001…
…110000000110
3121220111221020
4202101300012
54300014411
6520332010
7136243050
oct42216006
917814836
108985606
115088023
123014006
131b27c36
14129c8d0
15bc7606
hex891c06

8985606 has 16 divisors (see below), whose sum is σ = 20538624. Its totient is φ = 2567304.

The previous prime is 8985593. The next prime is 8985607. The reversal of 8985606 is 6065898.

It is a super-2 number, since 2×89856062 = 161482230374472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 213943 = 8985606 / (8 + 9 + 8 + 5 + 6 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8985607) 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, 106930 + ... + 107013.

It is an arithmetic number, because the mean of its divisors is an integer number (1283664).

Almost surely, 28985606 is an apocalyptic number.

8985606 is an abundant number, since it is smaller than the sum of its proper divisors (11553018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8985606 is a wasteful number, since it uses less digits than its factorization.

8985606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213955.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8985606 is about 2997.6000400320. The cubic root of 8985606 is about 207.8974315553.

It can be divided in two parts, 8985 and 606, that added together give a triangular number (9591 = T138).

The spelling of 8985606 in words is "eight million, nine hundred eighty-five thousand, six hundred six".

Divisors: 1 2 3 6 7 14 21 42 213943 427886 641829 1283658 1497601 2995202 4492803 8985606