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30724482 = 2319269513
BaseRepresentation
bin111010100110…
…1000110000010
32010210222001210
41311031012002
530331140412
63014310550
7522103515
oct165150602
963728053
1030724482
1116385838
12a358456
136499989
14411ad7c
152a6d83c
hex1d4d182

30724482 has 16 divisors (see below), whose sum is σ = 64683360. Its totient is φ = 9702432.

The previous prime is 30724433. The next prime is 30724483. The reversal of 30724482 is 28442703.

It is not an unprimeable number, because it can be changed into a prime (30724483) 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 7 ways as a sum of consecutive naturals, for example, 134643 + ... + 134870.

It is an arithmetic number, because the mean of its divisors is an integer number (4042710).

Almost surely, 230724482 is an apocalyptic number.

30724482 is an abundant number, since it is smaller than the sum of its proper divisors (33958878).

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

30724482 is a wasteful number, since it uses less digits than its factorization.

30724482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269537.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 30724482 is about 5542.9668950843. The cubic root of 30724482 is about 313.2046418347.

The spelling of 30724482 in words is "thirty million, seven hundred twenty-four thousand, four hundred eighty-two".

Divisors: 1 2 3 6 19 38 57 114 269513 539026 808539 1617078 5120747 10241494 15362241 30724482