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30319924 = 2215314951
BaseRepresentation
bin111001110101…
…0010100110100
32010001102010011
41303222110310
530230214144
63001510004
7515500165
oct163522464
963042104
1030319924
1116129898
12a1a2304
1363877ab
14405376c
1529dda34
hex1cea534

30319924 has 12 divisors (see below), whose sum is σ = 53105248. Its totient is φ = 15147000.

The previous prime is 30319921. The next prime is 30319943. The reversal of 30319924 is 42991303.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30319921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3649 + ... + 8599.

Almost surely, 230319924 is an apocalyptic number.

It is an amenable number.

30319924 is a deficient number, since it is larger than the sum of its proper divisors (22785324).

30319924 is a wasteful number, since it uses less digits than its factorization.

30319924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486 (or 6484 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30319924 is about 5506.3530580594. The cubic root of 30319924 is about 311.8238787940.

The spelling of 30319924 in words is "thirty million, three hundred nineteen thousand, nine hundred twenty-four".

Divisors: 1 2 4 1531 3062 4951 6124 9902 19804 7579981 15159962 30319924