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30136 = 233767
BaseRepresentation
bin111010110111000
31112100011
413112320
51431021
6351304
7153601
oct72670
945304
1030136
1120707
1215534
1310942
14ada8
158de1
hex75b8

30136 has 8 divisors (see below), whose sum is σ = 56520. Its totient is φ = 15064.

The previous prime is 30133. The next prime is 30137. The reversal of 30136 is 63103.

Adding to 30136 its reverse (63103), we get a palindrome (93239).

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 30136 parts by 245 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (7065).

230136 is an apocalyptic number.

It is an amenable number.

30136 is a deficient number, since it is larger than the sum of its proper divisors (26384).

30136 is a wasteful number, since it uses less digits than its factorization.

30136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3769 counting only the distinct ones).

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

The square root of 30136 is about 173.5972350010. The cubic root of 30136 is about 31.1192080210.

The spelling of 30136 in words is "thirty thousand, one hundred thirty-six".

Divisors: 1 2 4 8 3767 7534 15068 30136