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2312990 = 25231299
BaseRepresentation
bin1000110100101100011110
311100111211022
420310230132
51043003430
6121324142
725442261
oct10645436
94314738
102312990
11133a869
12936652
1362ca44
14442cd8
1530a4e5
hex234b1e

2312990 has 8 divisors (see below), whose sum is σ = 4163400. Its totient is φ = 925192.

The previous prime is 2312987. The next prime is 2313007. The reversal of 2312990 is 992132.

2312990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115640 + ... + 115659.

It is an arithmetic number, because the mean of its divisors is an integer number (520425).

22312990 is an apocalyptic number.

2312990 is a deficient number, since it is larger than the sum of its proper divisors (1850410).

2312990 is a wasteful number, since it uses less digits than its factorization.

2312990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231306.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2312990 is about 1520.8517350485. The cubic root of 2312990 is about 132.2486513037.

The spelling of 2312990 in words is "two million, three hundred twelve thousand, nine hundred ninety".

Divisors: 1 2 5 10 231299 462598 1156495 2312990