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2276391 = 31358369
BaseRepresentation
bin1000101011110000100111
311021122121210
420223300213
51040321031
6120442503
725230465
oct10536047
94248553
102276391
111315317
12919433
136191a0
14433835
152ee746
hex22bc27

2276391 has 8 divisors (see below), whose sum is σ = 3268720. Its totient is φ = 1400832.

The previous prime is 2276389. The next prime is 2276399. The reversal of 2276391 is 1936722.

2276391 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 not a de Polignac number, because 2276391 - 21 = 2276389 is a prime.

2276391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276399) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29146 + ... + 29223.

It is an arithmetic number, because the mean of its divisors is an integer number (408590).

22276391 is an apocalyptic number.

2276391 is a deficient number, since it is larger than the sum of its proper divisors (992329).

2276391 is a wasteful number, since it uses less digits than its factorization.

2276391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58385.

The product of its digits is 4536, while the sum is 30.

The square root of 2276391 is about 1508.7713544471. The cubic root of 2276391 is about 131.5474054050.

The spelling of 2276391 in words is "two million, two hundred seventy-six thousand, three hundred ninety-one".

Divisors: 1 3 13 39 58369 175107 758797 2276391