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30379 = 171787
BaseRepresentation
bin111011010101011
31112200011
413122223
51433004
6352351
7154366
oct73253
945604
1030379
1120908
12156b7
1310a9b
14b0dd
159004
hex76ab

30379 has 4 divisors (see below), whose sum is σ = 32184. Its totient is φ = 28576.

The previous prime is 30367. The next prime is 30389. The reversal of 30379 is 97303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30379 - 25 = 30347 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30379.

It is not an unprimeable number, because it can be changed into a prime (30319) 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, 877 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (8046).

230379 is an apocalyptic number.

30379 is a deficient number, since it is larger than the sum of its proper divisors (1805).

30379 is a wasteful number, since it uses less digits than its factorization.

30379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 30379 is about 174.2957257078. The cubic root of 30379 is about 31.2026268882.

The spelling of 30379 in words is "thirty thousand, three hundred seventy-nine".

Divisors: 1 17 1787 30379