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990701 = 61109149
BaseRepresentation
bin11110001110111101101
31212022222122
43301313231
5223200301
633122325
711264225
oct3616755
91768878
10990701
11617368
123b93a5
13288c1a
141bb085
1514881b
hexf1ded

990701 has 8 divisors (see below), whose sum is σ = 1023000. Its totient is φ = 959040.

The previous prime is 990673. The next prime is 990707. The reversal of 990701 is 107099.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 990025 = 26^2 + 995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990701 - 26 = 990637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990707) 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, 6575 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (127875).

2990701 is an apocalyptic number.

It is an amenable number.

990701 is a deficient number, since it is larger than the sum of its proper divisors (32299).

990701 is a wasteful number, since it uses less digits than its factorization.

990701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 990701 is about 995.3396405248. The cubic root of 990701 is about 99.6890675454.

The spelling of 990701 in words is "nine hundred ninety thousand, seven hundred one".

Divisors: 1 61 109 149 6649 9089 16241 990701