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42269 = 43983
BaseRepresentation
bin1010010100011101
32010222112
422110131
52323034
6523405
7234143
oct122435
963875
1042269
1129837
1220565
1316316
1411593
15c7ce
hexa51d

42269 has 4 divisors (see below), whose sum is σ = 43296. Its totient is φ = 41244.

The previous prime is 42257. The next prime is 42281. The reversal of 42269 is 96224.

42269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (42257) and next prime (42281).

It is a cyclic number.

It is not a de Polignac number, because 42269 - 28 = 42013 is a prime.

It is a super-2 number, since 2×422692 = 3573336722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 213 + 215 + 64 + 9 .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42269.

It is not an unprimeable number, because it can be changed into a prime (42209) 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, 449 + ... + 534.

It is an arithmetic number, because the mean of its divisors is an integer number (10824).

242269 is an apocalyptic number.

It is an amenable number.

42269 is a deficient number, since it is larger than the sum of its proper divisors (1027).

42269 is an equidigital number, since it uses as much as digits as its factorization.

42269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its digits is 864, while the sum is 23.

The square root of 42269 is about 205.5942606203. The cubic root of 42269 is about 34.8343189870.

The spelling of 42269 in words is "forty-two thousand, two hundred sixty-nine".

Divisors: 1 43 983 42269