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2299081 = 43127421
BaseRepresentation
bin1000110001010011001001
311022210202011
420301103021
51042032311
6121135521
725353601
oct10612311
94283664
102299081
111330374
1292a5a1
13626605
1443bc01
15306321
hex2314c9

2299081 has 8 divisors (see below), whose sum is σ = 2376704. Its totient is φ = 2222640.

The previous prime is 2299079. The next prime is 2299093. The reversal of 2299081 is 1809922.

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

It is a 4-Lehmer number, since φ(2299081) divides (2299081-1)4.

It is a cyclic number.

It is not a de Polignac number, because 2299081 - 21 = 2299079 is a prime.

It is a super-2 number, since 2×22990812 = 10571546889122, which contains 22 as substring.

It is an Ulam number.

It is a deceptive number, since it divides R2299080.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2299001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5251 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (297088).

It is a Poulet number, since it divides 22299080-1.

22299081 is an apocalyptic number.

It is an amenable number.

2299081 is a deficient number, since it is larger than the sum of its proper divisors (77623).

2299081 is a wasteful number, since it uses less digits than its factorization.

2299081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2299081 is about 1516.2720732111. The cubic root of 2299081 is about 131.9830288864.

The spelling of 2299081 in words is "two million, two hundred ninety-nine thousand, eighty-one".

Divisors: 1 43 127 421 5461 18103 53467 2299081