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30534444 = 22321944641
BaseRepresentation
bin111010001111…
…0101100101100
32010110022101100
41310132230230
530304100234
63010243100
7520352463
oct164365454
963408340
1030534444
1116265a86
12a286490
136431325
1440ab9da
152a32399
hex1d1eb2c

30534444 has 36 divisors (see below), whose sum is σ = 81248440. Its totient is φ = 9642240.

The previous prime is 30534437. The next prime is 30534457. The reversal of 30534444 is 44443503.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21637 + ... + 23004.

Almost surely, 230534444 is an apocalyptic number.

It is an amenable number.

30534444 is an abundant number, since it is smaller than the sum of its proper divisors (50713996).

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

30534444 is a wasteful number, since it uses less digits than its factorization.

30534444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44670 (or 44665 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 30534444 is about 5525.7980419121. The cubic root of 30534444 is about 312.5575582512.

Adding to 30534444 its reverse (44443503), we get a palindrome (74977947).

The spelling of 30534444 in words is "thirty million, five hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 44641 89282 133923 178564 267846 401769 535692 803538 848179 1607076 1696358 2544537 3392716 5089074 7633611 10178148 15267222 30534444