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45079 = 61739
BaseRepresentation
bin1011000000010111
32021211121
423000113
52420304
6544411
7245266
oct130027
967747
1045079
1130961
1222107
1317698
14125dd
15d554
hexb017

45079 has 4 divisors (see below), whose sum is σ = 45880. Its totient is φ = 44280.

The previous prime is 45077. The next prime is 45083. The reversal of 45079 is 97054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97054 = 248527.

It is a cyclic number.

It is not a de Polignac number, because 45079 - 21 = 45077 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 6 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (11470).

245079 is an apocalyptic number.

45079 is a deficient number, since it is larger than the sum of its proper divisors (801).

45079 is an equidigital number, since it uses as much as digits as its factorization.

45079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 45079 is about 212.3181574901. The cubic root of 45079 is about 35.5897352892.

Subtracting from 45079 its sum of digits (25), we obtain a palindrome (45054).

It can be divided in two parts, 450 and 79, that added together give a square (529 = 232).

The spelling of 45079 in words is "forty-five thousand, seventy-nine".

Divisors: 1 61 739 45079