Search a number
-
+
30489352 = 2323165703
BaseRepresentation
bin111010001001…
…1101100001000
32010101000112021
41310103230020
530301124402
63005254224
7520104145
oct164235410
963330467
1030489352
1116235113
12a264374
13641694a
1440993cc
152a23d37
hex1d13b08

30489352 has 16 divisors (see below), whose sum is σ = 59653440. Its totient is φ = 14581776.

The previous prime is 30489311. The next prime is 30489359. The reversal of 30489352 is 25398403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30489359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 82668 + ... + 83035.

It is an arithmetic number, because the mean of its divisors is an integer number (3728340).

Almost surely, 230489352 is an apocalyptic number.

It is an amenable number.

30489352 is a deficient number, since it is larger than the sum of its proper divisors (29164088).

30489352 is a wasteful number, since it uses less digits than its factorization.

30489352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165732 (or 165728 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 30489352 is about 5521.7163998163. The cubic root of 30489352 is about 312.4036251077.

The spelling of 30489352 in words is "thirty million, four hundred eighty-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 8 23 46 92 184 165703 331406 662812 1325624 3811169 7622338 15244676 30489352