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30568224 = 253318419
BaseRepresentation
bin111010010011…
…0111100100000
32010112000201110
41310212330200
530311140344
63011103320
7520553121
oct164467440
963460643
1030568224
11162893a5
12a2a1b40
13644380b
1440ba048
152a3c3b9
hex1d26f20

30568224 has 24 divisors (see below), whose sum is σ = 80241840. Its totient is φ = 10189376.

The previous prime is 30568211. The next prime is 30568229. The reversal of 30568224 is 42286503.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 30568191 and 30568200.

It is not an unprimeable number, because it can be changed into a prime (30568229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159114 + ... + 159305.

It is an arithmetic number, because the mean of its divisors is an integer number (3343410).

Almost surely, 230568224 is an apocalyptic number.

It is an amenable number.

30568224 is an abundant number, since it is smaller than the sum of its proper divisors (49673616).

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

30568224 is a wasteful number, since it uses less digits than its factorization.

30568224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318432 (or 318424 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 30568224 is about 5528.8537690917. The cubic root of 30568224 is about 312.6727757111.

The spelling of 30568224 in words is "thirty million, five hundred sixty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 318419 636838 955257 1273676 1910514 2547352 3821028 5094704 7642056 10189408 15284112 30568224