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30504830 = 253050483
BaseRepresentation
bin111010001011…
…1011101111110
32010101210202112
41310113131332
530302123310
63005454022
7520200236
oct164273576
963353675
1030504830
1116245804
12a271312
1364209c5
1440a0cc6
152a28705
hex1d1777e

30504830 has 8 divisors (see below), whose sum is σ = 54908712. Its totient is φ = 12201928.

The previous prime is 30504827. The next prime is 30504841. The reversal of 30504830 is 3840503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30504796 and 30504805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525232 + ... + 1525251.

It is an arithmetic number, because the mean of its divisors is an integer number (6863589).

Almost surely, 230504830 is an apocalyptic number.

30504830 is a deficient number, since it is larger than the sum of its proper divisors (24403882).

30504830 is a wasteful number, since it uses less digits than its factorization.

30504830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050490.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30504830 is about 5523.1177789361. The cubic root of 30504830 is about 312.4564803396.

The spelling of 30504830 in words is "thirty million, five hundred four thousand, eight hundred thirty".

Divisors: 1 2 5 10 3050483 6100966 15252415 30504830