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79361 = 611301
BaseRepresentation
bin10011011000000001
311000212022
4103120001
510014421
61411225
7450242
oct233001
9130768
1079361
1154697
1239b15
132a179
1420cc9
15187ab
hex13601

79361 has 4 divisors (see below), whose sum is σ = 80724. Its totient is φ = 78000.

The previous prime is 79357. The next prime is 79367. The reversal of 79361 is 16397.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16397 = 19863.

It can be written as a sum of positive squares in 2 ways, for example, as 961 + 78400 = 31^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 79361 - 22 = 79357 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 793 and 61 contains 79361 itself.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79361.

It is not an unprimeable number, because it can be changed into a prime (79367) 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, 590 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (20181).

It is a Proth number, since it is equal to 155 ⋅ 29 + 1 and 155 < 29.

279361 is an apocalyptic number.

It is an amenable number.

79361 is a deficient number, since it is larger than the sum of its proper divisors (1363).

79361 is a wasteful number, since it uses less digits than its factorization.

79361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its digits is 1134, while the sum is 26.

The square root of 79361 is about 281.7108446617. The cubic root of 79361 is about 42.9736633390.

The spelling of 79361 in words is "seventy-nine thousand, three hundred sixty-one".

Divisors: 1 61 1301 79361