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30125328 = 243627611
BaseRepresentation
bin111001011101…
…0110100010000
32002200112011220
41302322310100
530203002303
62553405040
7514026642
oct162726420
962615156
1030125328
1116006672
12a109780
13631a04c
144002892
1529a1053
hex1cbad10

30125328 has 20 divisors (see below), whose sum is σ = 77823888. Its totient is φ = 10041760.

The previous prime is 30125321. The next prime is 30125339. The reversal of 30125328 is 82352103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30125298 and 30125307.

It is not an unprimeable number, because it can be changed into a prime (30125321) 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, 313758 + ... + 313853.

Almost surely, 230125328 is an apocalyptic number.

It is an amenable number.

30125328 is an abundant number, since it is smaller than the sum of its proper divisors (47698560).

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

30125328 is a wasteful number, since it uses less digits than its factorization.

30125328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627622 (or 627616 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30125328 is about 5488.6544799249. The cubic root of 30125328 is about 311.1553419351.

The spelling of 30125328 in words is "thirty million, one hundred twenty-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 627611 1255222 1882833 2510444 3765666 5020888 7531332 10041776 15062664 30125328