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2268591 = 31358169
BaseRepresentation
bin1000101001110110101111
311021020220220
420221312233
51040043331
6120342423
725165653
oct10516657
94236826
102268591
11130a476
12914a13
13615780
14430a63
152ec296
hex229daf

2268591 has 8 divisors (see below), whose sum is σ = 3257520. Its totient is φ = 1396032.

The previous prime is 2268589. The next prime is 2268593. The reversal of 2268591 is 1958622.

It is an interprime number because it is at equal distance from previous prime (2268589) and next prime (2268593).

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

It is not a de Polignac number, because 2268591 - 21 = 2268589 is a prime.

2268591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29046 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (407190).

22268591 is an apocalyptic number.

2268591 is a deficient number, since it is larger than the sum of its proper divisors (988929).

2268591 is a wasteful number, since it uses less digits than its factorization.

2268591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58185.

The product of its digits is 8640, while the sum is 33.

The square root of 2268591 is about 1506.1842516771. The cubic root of 2268591 is about 131.3969854445.

The spelling of 2268591 in words is "two million, two hundred sixty-eight thousand, five hundred ninety-one".

Divisors: 1 3 13 39 58169 174507 756197 2268591