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30504052 = 22171732593
BaseRepresentation
bin111010001011…
…1010001110100
32010101202200201
41310113101310
530302112202
63005450244
7520165045
oct164272164
963352621
1030504052
1116245167
12a270984
136420547
1440a08cc
152a28387
hex1d17474

30504052 has 24 divisors (see below), whose sum is σ = 56870856. Its totient is φ = 14266368.

The previous prime is 30504043. The next prime is 30504079. The reversal of 30504052 is 25040503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16695396 + 13808656 = 4086^2 + 3716^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10468 + ... + 13060.

It is an arithmetic number, because the mean of its divisors is an integer number (2369619).

Almost surely, 230504052 is an apocalyptic number.

It is an amenable number.

30504052 is a deficient number, since it is larger than the sum of its proper divisors (26366804).

30504052 is a wasteful number, since it uses less digits than its factorization.

30504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30504052 is about 5523.0473472531. The cubic root of 30504052 is about 312.4538240039.

Adding to 30504052 its reverse (25040503), we get a palindrome (55544555).

The spelling of 30504052 in words is "thirty million, five hundred four thousand, fifty-two".

Divisors: 1 2 4 17 34 68 173 346 692 2593 2941 5186 5882 10372 11764 44081 88162 176324 448589 897178 1794356 7626013 15252026 30504052