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30134724 = 22337671013
BaseRepresentation
bin111001011110…
…1000111000100
32002201000001220
41302331013010
530203302344
62553520340
7514066224
oct162750704
962630056
1030134724
1116012734
12a1130b0
1363213c9
144006084
1529a3c19
hex1cbd1c4

30134724 has 48 divisors (see below), whose sum is σ = 73364928. Its totient is φ = 9618048.

The previous prime is 30134723. The next prime is 30134729. The reversal of 30134724 is 42743103.

It is a junction number, because it is equal to n+sod(n) for n = 30134694 and 30134703.

It is not an unprimeable number, because it can be changed into a prime (30134723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29242 + ... + 30254.

It is an arithmetic number, because the mean of its divisors is an integer number (1528436).

Almost surely, 230134724 is an apocalyptic number.

It is an amenable number.

30134724 is an abundant number, since it is smaller than the sum of its proper divisors (43230204).

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

30134724 is a wasteful number, since it uses less digits than its factorization.

30134724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 30134724 is about 5489.5103606788. The cubic root of 30134724 is about 311.1876880470.

Adding to 30134724 its reverse (42743103), we get a palindrome (72877827).

The spelling of 30134724 in words is "thirty million, one hundred thirty-four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 37 67 74 111 134 148 201 222 268 402 444 804 1013 2026 2479 3039 4052 4958 6078 7437 9916 12156 14874 29748 37481 67871 74962 112443 135742 149924 203613 224886 271484 407226 449772 814452 2511227 5022454 7533681 10044908 15067362 30134724