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30042124 = 2271072933
BaseRepresentation
bin111001010011…
…0100000001100
32002112022001021
41302212200030
530142321444
62551523524
7513232240
oct162464014
962468037
1030042124
1115a5a102
12a0895a4
1362bb208
143dc0420
152986584
hex1ca680c

30042124 has 12 divisors (see below), whose sum is σ = 60084304. Its totient is φ = 12875184.

The previous prime is 30042121. The next prime is 30042127. The reversal of 30042124 is 42124003.

It is an interprime number because it is at equal distance from previous prime (30042121) and next prime (30042127).

30042124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30042098 and 30042107.

It is not an unprimeable number, because it can be changed into a prime (30042121) 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, 536439 + ... + 536494.

Almost surely, 230042124 is an apocalyptic number.

It is an amenable number.

30042124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30042124 is a wasteful number, since it uses less digits than its factorization.

30042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072944 (or 1072942 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30042124 is about 5481.0696036449. The cubic root of 30042124 is about 310.8686148709.

Adding to 30042124 its reverse (42124003), we get a palindrome (72166127).

It can be divided in two parts, 300 and 42124, that added together give a palindrome (42424).

The spelling of 30042124 in words is "thirty million, forty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 1072933 2145866 4291732 7510531 15021062 30042124