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30224124 = 2233739979
BaseRepresentation
bin111001101001…
…0111011111100
32002212112201000
41303102323330
530214132444
62555450300
7514620660
oct163227374
962775630
1030224124
1116073917
12a156990
136352cc8
14402a8a0
1529c0469
hex1cd2efc

30224124 has 48 divisors (see below), whose sum is σ = 89555200. Its totient is φ = 8635248.

The previous prime is 30224123. The next prime is 30224143. The reversal of 30224124 is 42142203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30224097 and 30224106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19234 + ... + 20745.

Almost surely, 230224124 is an apocalyptic number.

It is an amenable number.

30224124 is an abundant number, since it is smaller than the sum of its proper divisors (59331076).

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

30224124 is a wasteful number, since it uses less digits than its factorization.

30224124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39999 (or 39991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30224124 is about 5497.6471330925. The cubic root of 30224124 is about 311.4951153790.

Adding to 30224124 its reverse (42142203), we get a palindrome (72366327).

The spelling of 30224124 in words is "thirty million, two hundred twenty-four thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 39979 79958 119937 159916 239874 279853 359811 479748 559706 719622 839559 1079433 1119412 1439244 1679118 2158866 2518677 3358236 4317732 5037354 7556031 10074708 15112062 30224124