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30316 = 22111353
BaseRepresentation
bin111011001101100
31112120211
413121230
51432231
6352204
7154246
oct73154
945524
1030316
1120860
1215664
1310a50
14b096
158eb1
hex766c

30316 has 24 divisors (see below), whose sum is σ = 63504. Its totient is φ = 12480.

The previous prime is 30313. The next prime is 30319. The reversal of 30316 is 61303.

30316 = T65 + T66 + ... + T76.

It is an interprime number because it is at equal distance from previous prime (30313) and next prime (30319).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 30296 and 30305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 598.

It is an arithmetic number, because the mean of its divisors is an integer number (2646).

230316 is an apocalyptic number.

It is an amenable number.

30316 is an abundant number, since it is smaller than the sum of its proper divisors (33188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31752).

30316 is a wasteful number, since it uses less digits than its factorization.

30316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30316 is about 174.1149045889. The cubic root of 30316 is about 31.1810426147.

Subtracting from 30316 its sum of digits (13), we obtain a palindrome (30303).

30316 divided by its sum of digits (13) gives a palindrome (2332).

Adding to 30316 its reverse (61303), we get a palindrome (91619).

The spelling of 30316 in words is "thirty thousand, three hundred sixteen".

Divisors: 1 2 4 11 13 22 26 44 52 53 106 143 212 286 572 583 689 1166 1378 2332 2756 7579 15158 30316