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8201998 = 27585857
BaseRepresentation
bin11111010010011100001110
3120102201000201
4133102130032
54044430443
6451444114
7126500350
oct37223416
916381021
108201998
1146a2312
1228b663a
13191236c
1411370d0
15ac034d
hex7d270e

8201998 has 8 divisors (see below), whose sum is σ = 14060592. Its totient is φ = 3515136.

The previous prime is 8201989. The next prime is 8202013. The reversal of 8201998 is 8991028.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292915 + ... + 292942.

It is an arithmetic number, because the mean of its divisors is an integer number (1757574).

Almost surely, 28201998 is an apocalyptic number.

8201998 is a deficient number, since it is larger than the sum of its proper divisors (5858594).

8201998 is a wasteful number, since it uses less digits than its factorization.

8201998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585866.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 8201998 is about 2863.9130573396. The cubic root of 8201998 is about 201.6693443474.

The spelling of 8201998 in words is "eight million, two hundred one thousand, nine hundred ninety-eight".

Divisors: 1 2 7 14 585857 1171714 4100999 8201998