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52012402 = 21310918353
BaseRepresentation
bin1100011001101…
…0010101110010
310121212111121021
43012122111302
5101303344102
65054450054
71201045441
oct306322562
9117774537
1052012402
11273a5762
121550392a
13aa11390
146c9cd58
154876137
hex319a572

52012402 has 16 divisors (see below), whose sum is σ = 84795480. Its totient is φ = 23784192.

The previous prime is 52012397. The next prime is 52012423. The reversal of 52012402 is 20421025.

52012402 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 4 ways, for example, as 25190361 + 26822041 = 5019^2 + 5179^2 .

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, 6343 + ... + 12010.

Almost surely, 252012402 is an apocalyptic number.

52012402 is a deficient number, since it is larger than the sum of its proper divisors (32783078).

52012402 is a wasteful number, since it uses less digits than its factorization.

52012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18477.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52012402 is about 7211.9624236403. The cubic root of 52012402 is about 373.2807867867.

Adding to 52012402 its reverse (20421025), we get a palindrome (72433427).

The spelling of 52012402 in words is "fifty-two million, twelve thousand, four hundred two".

Divisors: 1 2 13 26 109 218 1417 2834 18353 36706 238589 477178 2000477 4000954 26006201 52012402