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30484568 = 2323292197
BaseRepresentation
bin111010001001…
…0100001011000
32010100202222002
41310102201120
530301001233
63005220132
7520054202
oct164224130
963322862
1030484568
1116231564
12a261648
13641470a
144097772
152a226e8
hex1d12858

30484568 has 48 divisors (see below), whose sum is σ = 62084880. Its totient is φ = 14005376.

The previous prime is 30484561. The next prime is 30484579. The reversal of 30484568 is 86548403.

It is a happy number.

It is a super-2 number, since 2×304845682 = 1858617772293248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30484561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154646 + ... + 154842.

It is an arithmetic number, because the mean of its divisors is an integer number (1293435).

Almost surely, 230484568 is an apocalyptic number.

It is an amenable number.

30484568 is an abundant number, since it is smaller than the sum of its proper divisors (31600312).

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

30484568 is a wasteful number, since it uses less digits than its factorization.

30484568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 30484568 is about 5521.2831841883. The cubic root of 30484568 is about 312.3872847898.

The spelling of 30484568 in words is "thirty million, four hundred eighty-four thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 23 29 46 58 92 116 184 197 232 394 667 788 841 1334 1576 1682 2668 3364 4531 5336 5713 6728 9062 11426 18124 19343 22852 36248 38686 45704 77372 131399 154744 165677 262798 331354 525596 662708 1051192 1325416 3810571 7621142 15242284 30484568