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52238225 = 5213672399
BaseRepresentation
bin1100011101000…
…1011110010001
310122021222101002
43013101132101
5101333110400
65103351345
71203006014
oct307213621
9118258332
1052238225
112753a396
12155b2555
13aa900c0
146d1b37b
1548bced5
hex31d1791

52238225 has 24 divisors (see below), whose sum is σ = 70828800. Its totient is φ = 37984320.

The previous prime is 52238213. The next prime is 52238227. The reversal of 52238225 is 52283225.

It is a happy number.

52238225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52238225 - 24 = 52238209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52238227) 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 23 ways as a sum of consecutive naturals, for example, 20576 + ... + 22974.

It is an arithmetic number, because the mean of its divisors is an integer number (2951200).

Almost surely, 252238225 is an apocalyptic number.

It is an amenable number.

52238225 is a deficient number, since it is larger than the sum of its proper divisors (18590575).

52238225 is a wasteful number, since it uses less digits than its factorization.

52238225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2484 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 52238225 is about 7227.6016077258. The cubic root of 52238225 is about 373.8202330328.

The spelling of 52238225 in words is "fifty-two million, two hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 67 325 335 871 1675 2399 4355 11995 21775 31187 59975 155935 160733 779675 803665 2089529 4018325 10447645 52238225