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52050402 = 2324170529
BaseRepresentation
bin1100011010001…
…1100111100010
310121221102201200
43012203213202
5101311103102
65055342030
71201264305
oct306434742
9117842650
1052050402
1127421268
1215521916
13aa25771
146cacb3c
15488251c
hex31a39e2

52050402 has 24 divisors (see below), whose sum is σ = 115528140. Its totient is φ = 16926720.

The previous prime is 52050391. The next prime is 52050407. The reversal of 52050402 is 20405025.

52050402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48734361 + 3316041 = 6981^2 + 1821^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (52050407) 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 11 ways as a sum of consecutive naturals, for example, 34527 + ... + 36002.

Almost surely, 252050402 is an apocalyptic number.

52050402 is an abundant number, since it is smaller than the sum of its proper divisors (63477738).

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

52050402 is a wasteful number, since it uses less digits than its factorization.

52050402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70578 (or 70575 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52050402 is about 7214.5964544110. The cubic root of 52050402 is about 373.3716703474.

Adding to 52050402 its reverse (20405025), we get a palindrome (72455427).

The spelling of 52050402 in words is "fifty-two million, fifty thousand, four hundred two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 70529 141058 211587 423174 634761 1269522 2891689 5783378 8675067 17350134 26025201 52050402