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8999201 = 10189101
BaseRepresentation
bin100010010101…
…000100100001
3121221012120202
4202111010201
54300433301
6520514545
7136330511
oct42250441
917835522
108999201
115097262
12301ba55
131b31193
1412a3841
15bcb66b
hex895121

8999201 has 4 divisors (see below), whose sum is σ = 9088404. Its totient is φ = 8910000.

The previous prime is 8999197. The next prime is 8999203. The reversal of 8999201 is 1029998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4264225 + 4734976 = 2065^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 8999201 - 22 = 8999197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8999203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44450 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (2272101).

Almost surely, 28999201 is an apocalyptic number.

It is an amenable number.

8999201 is a deficient number, since it is larger than the sum of its proper divisors (89203).

8999201 is a wasteful number, since it uses less digits than its factorization.

8999201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89202.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 8999201 is about 2999.8668303776. The cubic root of 8999201 is about 208.0022266157.

The spelling of 8999201 in words is "eight million, nine hundred ninety-nine thousand, two hundred one".

Divisors: 1 101 89101 8999201