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30386224 = 2411172649
BaseRepresentation
bin111001111101…
…0100000110000
32010011210001201
41303322200300
530234324344
63003140544
7516164401
oct163724060
963153051
1030386224
1116174690
12a214754
1363aba1b
14406d9a8
152a034d4
hex1cfa830

30386224 has 20 divisors (see below), whose sum is σ = 64225800. Its totient is φ = 13811840.

The previous prime is 30386219. The next prime is 30386233. The reversal of 30386224 is 42268303.

It is a junction number, because it is equal to n+sod(n) for n = 30386192 and 30386201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86149 + ... + 86500.

It is an arithmetic number, because the mean of its divisors is an integer number (3211290).

Almost surely, 230386224 is an apocalyptic number.

It is an amenable number.

30386224 is an abundant number, since it is smaller than the sum of its proper divisors (33839576).

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

30386224 is a wasteful number, since it uses less digits than its factorization.

30386224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172668 (or 172662 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30386224 is about 5512.3700891722. The cubic root of 30386224 is about 312.0509997718.

The spelling of 30386224 in words is "thirty million, three hundred eighty-six thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 172649 345298 690596 1381192 1899139 2762384 3798278 7596556 15193112 30386224