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30153 = 319232
BaseRepresentation
bin111010111001001
31112100210
413113021
51431103
6351333
7153624
oct72711
945323
1030153
1120722
1215549
1310956
14adbb
158e03
hex75c9

30153 has 12 divisors (see below), whose sum is σ = 44240. Its totient is φ = 18216.

The previous prime is 30139. The next prime is 30161. The reversal of 30153 is 35103.

It is a happy number.

It is not a de Polignac number, because 30153 - 24 = 30137 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30153.

It is not an unprimeable number, because it can be changed into a prime (30103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300 + ... + 1322.

230153 is an apocalyptic number.

It is an amenable number.

30153 is a deficient number, since it is larger than the sum of its proper divisors (14087).

30153 is a wasteful number, since it uses less digits than its factorization.

30153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 30153 is about 173.6461920112. The cubic root of 30153 is about 31.1250584667.

Adding to 30153 its reverse (35103), we get a palindrome (65256).

Subtracting 30153 from its reverse (35103), we obtain a triangular number (4950 = T99).

It can be divided in two parts, 3015 and 3, that multiplied together give a triangular number (9045 = T134).

The spelling of 30153 in words is "thirty thousand, one hundred fifty-three".

Divisors: 1 3 19 23 57 69 437 529 1311 1587 10051 30153