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990627 = 31122729
BaseRepresentation
bin11110001110110100011
31212022212220
43301312203
5223200002
633122123
711264061
oct3616643
91768786
10990627
11617300
123b9343
13288b91
141bb031
151487bc
hexf1da3

990627 has 12 divisors (see below), whose sum is σ = 1452360. Its totient is φ = 600160.

The previous prime is 990599. The next prime is 990631. The reversal of 990627 is 726099.

It is not a de Polignac number, because 990627 - 28 = 990371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

990627 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (990637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (121030).

2990627 is an apocalyptic number.

990627 is a deficient number, since it is larger than the sum of its proper divisors (461733).

990627 is a wasteful number, since it uses less digits than its factorization.

990627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 990627 is about 995.3024665899. The cubic root of 990627 is about 99.6865854058.

The spelling of 990627 in words is "nine hundred ninety thousand, six hundred twenty-seven".

Divisors: 1 3 11 33 121 363 2729 8187 30019 90057 330209 990627