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2260381 = 4352567
BaseRepresentation
bin1000100111110110011101
311020211122211
420213312131
51034313011
6120240421
725133014
oct10476635
94224584
102260381
111304292
12910111
13611b06
1442ba7b
152e9b21
hex227d9d

2260381 has 4 divisors (see below), whose sum is σ = 2312992. Its totient is φ = 2207772.

The previous prime is 2260369. The next prime is 2260387. The reversal of 2260381 is 1830622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1830622 = 2915311.

It is a cyclic number.

It is not a de Polignac number, because 2260381 - 27 = 2260253 is a prime.

It is a super-2 number, since 2×22603812 = 10218644530322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2260387) 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 3 ways as a sum of consecutive naturals, for example, 26241 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (578248).

22260381 is an apocalyptic number.

It is an amenable number.

2260381 is a deficient number, since it is larger than the sum of its proper divisors (52611).

2260381 is an equidigital number, since it uses as much as digits as its factorization.

2260381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52610.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2260381 is about 1503.4563512121. The cubic root of 2260381 is about 131.2382858782.

The spelling of 2260381 in words is "two million, two hundred sixty thousand, three hundred eighty-one".

Divisors: 1 43 52567 2260381