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2265457 = 22310159
BaseRepresentation
bin1000101001000101110001
311021002121211
420221011301
51034443312
6120320121
725153555
oct10510561
94232554
102265457
111308087
12913041
1361420c
1442d865
152eb3a7
hex229171

2265457 has 4 divisors (see below), whose sum is σ = 2275840. Its totient is φ = 2255076.

The previous prime is 2265443. The next prime is 2265463. The reversal of 2265457 is 7545622.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2265457 is a prime.

It is a d-powerful number, because it can be written as 217 + 217 + 66 + 55 + 43 + 59 + 73 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4857 + ... + 5302.

It is an arithmetic number, because the mean of its divisors is an integer number (568960).

22265457 is an apocalyptic number.

It is an amenable number.

2265457 is a deficient number, since it is larger than the sum of its proper divisors (10383).

2265457 is a wasteful number, since it uses less digits than its factorization.

2265457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382.

The product of its digits is 16800, while the sum is 31.

The square root of 2265457 is about 1505.1435147520. The cubic root of 2265457 is about 131.3364503771.

The spelling of 2265457 in words is "two million, two hundred sixty-five thousand, four hundred fifty-seven".

Divisors: 1 223 10159 2265457