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52541252 = 2261349617
BaseRepresentation
bin1100100001101…
…1011101000100
310122212101001022
43020123131010
5101422310002
65114050312
71205410331
oct310333504
9118771038
1052541252
1127727025
1215719998
13ab67cca
146d99988
15492cba2
hex321b744

52541252 has 24 divisors (see below), whose sum is σ = 93874200. Its totient is φ = 25724160.

The previous prime is 52541233. The next prime is 52541261. The reversal of 52541252 is 25214525.

It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 52070656 = 686^2 + 7216^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84848 + ... + 85464.

It is an arithmetic number, because the mean of its divisors is an integer number (3911425).

Almost surely, 252541252 is an apocalyptic number.

It is an amenable number.

52541252 is a deficient number, since it is larger than the sum of its proper divisors (41332948).

52541252 is a wasteful number, since it uses less digits than its factorization.

52541252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 52541252 is about 7248.5344725675. The cubic root of 52541252 is about 374.5416670068.

Adding to 52541252 its reverse (25214525), we get a palindrome (77755777).

The spelling of 52541252 in words is "fifty-two million, five hundred forty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 61 122 244 349 617 698 1234 1396 2468 21289 37637 42578 75274 85156 150548 215333 430666 861332 13135313 26270626 52541252