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52492590 = 2335433449
BaseRepresentation
bin1100100000111…
…1100100101110
310122202220022000
43020033210232
5101414230330
65113033130
71205115423
oct310174456
9118686260
1052492590
11276a3507
12156b57a6
13ab4bb07
146d85d4a
15491d560
hex320f92e

52492590 has 64 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 13934592.

The previous prime is 52492589. The next prime is 52492597. The reversal of 52492590 is 9529425.

It is a happy number.

52492590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52492597) 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 31 ways as a sum of consecutive naturals, for example, 116686 + ... + 117134.

It is an arithmetic number, because the mean of its divisors is an integer number (2197125).

Almost surely, 252492590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52492590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70308000).

52492590 is an abundant number, since it is smaller than the sum of its proper divisors (88123410).

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

52492590 is a wasteful number, since it uses less digits than its factorization.

52492590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 52492590 is about 7245.1770164710. The cubic root of 52492590 is about 374.4260018513.

The spelling of 52492590 in words is "fifty-two million, four hundred ninety-two thousand, five hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 433 449 866 898 1299 1347 2165 2245 2598 2694 3897 4041 4330 4490 6495 6735 7794 8082 11691 12123 12990 13470 19485 20205 23382 24246 38970 40410 58455 60615 116910 121230 194417 388834 583251 972085 1166502 1749753 1944170 2916255 3499506 5249259 5832510 8748765 10498518 17497530 26246295 52492590