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79049 = 137577
BaseRepresentation
bin10011010011001001
311000102202
4103103021
510012144
61405545
7446315
oct232311
9130382
1079049
1154433
12398b5
1329c99
1420b45
151864e
hex134c9

79049 has 4 divisors (see below), whose sum is σ = 79764. Its totient is φ = 78336.

The previous prime is 79043. The next prime is 79063. The reversal of 79049 is 94097.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94097 = 731289.

It can be written as a sum of positive squares in 2 ways, for example, as 67600 + 11449 = 260^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 79049 - 216 = 13513 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79043) 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, 152 + ... + 425.

It is an arithmetic number, because the mean of its divisors is an integer number (19941).

279049 is an apocalyptic number.

It is an amenable number.

79049 is a deficient number, since it is larger than the sum of its proper divisors (715).

79049 is a wasteful number, since it uses less digits than its factorization.

79049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 79049 is about 281.1565400271. The cubic root of 79049 is about 42.9172737946.

The spelling of 79049 in words is "seventy-nine thousand, forty-nine".

Divisors: 1 137 577 79049