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8994985 = 51798997
BaseRepresentation
bin100010010100…
…000010101001
3121220222210121
4202110002221
54300314420
6520443241
7136312306
oct42240251
917828717
108994985
11509407a
123019521
131b2c29c
1412a20ad
15bca2aa
hex8940a9

8994985 has 4 divisors (see below), whose sum is σ = 10793988. Its totient is φ = 7195984.

The previous prime is 8994943. The next prime is 8995003. The reversal of 8994985 is 5894998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5894998 = 22947499.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 7123561 = 1368^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 8994985 - 27 = 8994857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899494 + ... + 899503.

It is an arithmetic number, because the mean of its divisors is an integer number (2698497).

Almost surely, 28994985 is an apocalyptic number.

It is an amenable number.

8994985 is a deficient number, since it is larger than the sum of its proper divisors (1799003).

8994985 is a wasteful number, since it uses less digits than its factorization.

8994985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799002.

The product of its digits is 933120, while the sum is 52.

The square root of 8994985 is about 2999.1640501980. The cubic root of 8994985 is about 207.9697394957.

The spelling of 8994985 in words is "eight million, nine hundred ninety-four thousand, nine hundred eighty-five".

Divisors: 1 5 1798997 8994985