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30053624 = 233756703
BaseRepresentation
bin111001010100…
…1010011111000
32002112212211012
41302221103320
530143203444
62552053052
7513310616
oct162512370
962485735
1030053624
1115a67807
12a094188
1362c3513
143dc46b6
152989b9e
hex1ca94f8

30053624 has 8 divisors (see below), whose sum is σ = 56350560. Its totient is φ = 15026808.

The previous prime is 30053623. The next prime is 30053693. The reversal of 30053624 is 42635003.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30053624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053623) 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 as a sum of consecutive naturals, namely, 1878344 + ... + 1878359.

It is an arithmetic number, because the mean of its divisors is an integer number (7043820).

Almost surely, 230053624 is an apocalyptic number.

It is an amenable number.

30053624 is a deficient number, since it is larger than the sum of its proper divisors (26296936).

30053624 is a wasteful number, since it uses less digits than its factorization.

30053624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756709 (or 3756705 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30053624 is about 5482.1185685828. The cubic root of 30053624 is about 310.9082762144.

Adding to 30053624 its reverse (42635003), we get a palindrome (72688627).

The spelling of 30053624 in words is "thirty million, fifty-three thousand, six hundred twenty-four".

Divisors: 1 2 4 8 3756703 7513406 15026812 30053624