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2280201 = 37119871
BaseRepresentation
bin1000101100101100001001
311021211211220
420230230021
51040431301
6120512253
725244550
oct10545411
94254756
102280201
111318170
1291b689
1361ab41
14434d97
15300936
hex22cb09

2280201 has 16 divisors (see below), whose sum is σ = 3790848. Its totient is φ = 1184400.

The previous prime is 2280191. The next prime is 2280203. The reversal of 2280201 is 1020822.

It is not a de Polignac number, because 2280201 - 25 = 2280169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2280203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (236928).

22280201 is an apocalyptic number.

2280201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2280201 is a deficient number, since it is larger than the sum of its proper divisors (1510647).

2280201 is a wasteful number, since it uses less digits than its factorization.

2280201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2280201 is about 1510.0334433383. The cubic root of 2280201 is about 131.6207548804.

The spelling of 2280201 in words is "two million, two hundred eighty thousand, two hundred one".

Divisors: 1 3 7 11 21 33 77 231 9871 29613 69097 108581 207291 325743 760067 2280201