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30198024 = 2332419417
BaseRepresentation
bin111001100110…
…0100100001000
32002211012220100
41303030210020
530212314044
62555125400
7514451613
oct163144410
962735810
1030198024
111605624a
12a143860
13634416c
14402117a
1529b7869
hex1ccc908

30198024 has 24 divisors (see below), whose sum is σ = 81786510. Its totient is φ = 10065984.

The previous prime is 30198013. The next prime is 30198043. The reversal of 30198024 is 42089103.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 1232100 = 5382^2 + 1110^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209637 + ... + 209780.

Almost surely, 230198024 is an apocalyptic number.

It is an amenable number.

30198024 is an abundant number, since it is smaller than the sum of its proper divisors (51588486).

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

30198024 is a wasteful number, since it uses less digits than its factorization.

30198024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419429 (or 419422 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 30198024 is about 5495.2728776649. The cubic root of 30198024 is about 311.4054258332.

The spelling of 30198024 in words is "thirty million, one hundred ninety-eight thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 419417 838834 1258251 1677668 2516502 3355336 3774753 5033004 7549506 10066008 15099012 30198024