Search a number
-
+
30605532 = 22316315647
BaseRepresentation
bin111010011000…
…0000011011100
32010120220220020
41310300003130
530313334112
63011552140
7521066646
oct164600334
963526806
1030605532
1116304431
12a2bb650
1364577a9
1440c9896
152a4848c
hex1d300dc

30605532 has 24 divisors (see below), whose sum is σ = 71855616. Its totient is φ = 10138608.

The previous prime is 30605521. The next prime is 30605563. The reversal of 30605532 is 23550603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5868 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (2993984).

Almost surely, 230605532 is an apocalyptic number.

It is an amenable number.

30605532 is an abundant number, since it is smaller than the sum of its proper divisors (41250084).

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

30605532 is a wasteful number, since it uses less digits than its factorization.

30605532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30605532 is about 5532.2266764839. The cubic root of 30605532 is about 312.7999279396.

The spelling of 30605532 in words is "thirty million, six hundred five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 15647 31294 46941 62588 93882 187764 2550461 5100922 7651383 10201844 15302766 30605532