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2290279 = 19149809
BaseRepresentation
bin1000101111001001100111
311022100200011
420233021213
51041242104
6121031051
725316125
oct10571147
94270604
102290279
1113247a2
12925487
136225c4
14438915
15303904
hex22f267

2290279 has 8 divisors (see below), whose sum is σ = 2430000. Its totient is φ = 2152512.

The previous prime is 2290259. The next prime is 2290283. The reversal of 2290279 is 9720922.

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

It is a cyclic number.

It is not a de Polignac number, because 2290279 - 27 = 2290151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290259) 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, 2427 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (303750).

22290279 is an apocalyptic number.

2290279 is a deficient number, since it is larger than the sum of its proper divisors (139721).

2290279 is a wasteful number, since it uses less digits than its factorization.

2290279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2290279 is about 1513.3667764293. The cubic root of 2290279 is about 131.8143817447.

The spelling of 2290279 in words is "two million, two hundred ninety thousand, two hundred seventy-nine".

Divisors: 1 19 149 809 2831 15371 120541 2290279