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30926 = 27472
BaseRepresentation
bin111100011001110
31120102102
413203032
51442201
6355102
7156110
oct74316
946372
1030926
1121265
1215a92
13110cc
14b3b0
15926b
hex78ce

30926 has 12 divisors (see below), whose sum is σ = 54168. Its totient is φ = 12972.

The previous prime is 30911. The next prime is 30931. The reversal of 30926 is 62903.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 30898 and 30907.

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 30926.

It is an unprimeable number.

30926 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (4514).

230926 is an apocalyptic number.

30926 is a deficient number, since it is larger than the sum of its proper divisors (23242).

30926 is an equidigital number, since it uses as much as digits as its factorization.

30926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30926 is about 175.8578971784. The cubic root of 30926 is about 31.3887906762.

The spelling of 30926 in words is "thirty thousand, nine hundred twenty-six".

Divisors: 1 2 7 14 47 94 329 658 2209 4418 15463 30926