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2204881 = 7314983
BaseRepresentation
bin1000011010010011010001
311011000112021
420122103101
51031024011
6115131441
724512140
oct10322321
94130467
102204881
111276618
128a3b81
135c2783
14415757
152d8471
hex21a4d1

2204881 has 4 divisors (see below), whose sum is σ = 2519872. Its totient is φ = 1889892.

The previous prime is 2204863. The next prime is 2204887. The reversal of 2204881 is 1884022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2204881 - 29 = 2204369 is a prime.

It is a super-2 number, since 2×22048812 = 9723000448322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204887) 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, 157485 + ... + 157498.

It is an arithmetic number, because the mean of its divisors is an integer number (629968).

22204881 is an apocalyptic number.

It is an amenable number.

2204881 is a deficient number, since it is larger than the sum of its proper divisors (314991).

2204881 is an equidigital number, since it uses as much as digits as its factorization.

2204881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314990.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2204881 is about 1484.8841705668. The cubic root of 2204881 is about 130.1552582890.

The spelling of 2204881 in words is "two million, two hundred four thousand, eight hundred eighty-one".

Divisors: 1 7 314983 2204881