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30225432 = 2331259393
BaseRepresentation
bin111001101001…
…1010000011000
32002212121111110
41303103100120
530214203212
62555500320
7514624536
oct163232030
962777443
1030225432
11160748a6
12a1576a0
136353793
14402b156
1529c0a3c
hex1cd3418

30225432 has 16 divisors (see below), whose sum is σ = 75563640. Its totient is φ = 10075136.

The previous prime is 30225421. The next prime is 30225451. The reversal of 30225432 is 23452203.

It is a junction number, because it is equal to n+sod(n) for n = 30225399 and 30225408.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 629673 + ... + 629720.

Almost surely, 230225432 is an apocalyptic number.

It is an amenable number.

30225432 is an abundant number, since it is smaller than the sum of its proper divisors (45338208).

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

30225432 is a wasteful number, since it uses less digits than its factorization.

30225432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259402 (or 1259398 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30225432 is about 5497.7660917867. The cubic root of 30225432 is about 311.4996088065.

Adding to 30225432 its reverse (23452203), we get a palindrome (53677635).

The spelling of 30225432 in words is "thirty million, two hundred twenty-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 1259393 2518786 3778179 5037572 7556358 10075144 15112716 30225432