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990202 = 23115971
BaseRepresentation
bin11110001101111111010
31212022022011
43301233322
5223141302
633120134
711262613
oct3615772
91768264
10990202
11616a54
123b904a
13288925
141bac0a
151485d7
hexf1bfa

990202 has 8 divisors (see below), whose sum is σ = 1533312. Its totient is φ = 479100.

The previous prime is 990181. The next prime is 990211. The reversal of 990202 is 202099.

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

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, 7924 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (191664).

2990202 is an apocalyptic number.

990202 is a deficient number, since it is larger than the sum of its proper divisors (543110).

990202 is a wasteful number, since it uses less digits than its factorization.

990202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 990202 is about 995.0889407485. The cubic root of 990202 is about 99.6723274799.

The spelling of 990202 in words is "nine hundred ninety thousand, two hundred two".

Divisors: 1 2 31 62 15971 31942 495101 990202