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52230460 = 225171491031
BaseRepresentation
bin1100011100111…
…1100100111100
310122021120201111
43013033210330
5101332333320
65103251404
71202644252
oct307174474
9118246644
1052230460
1127534577
12155a9b64
13aa896c9
146d185d2
1548baa5a
hex31cf93c

52230460 has 48 divisors (see below), whose sum is σ = 117028800. Its totient is φ = 19512320.

The previous prime is 52230439. The next prime is 52230461. The reversal of 52230460 is 6403225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52230461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50145 + ... + 51175.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 252230460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52230460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58514400).

52230460 is an abundant number, since it is smaller than the sum of its proper divisors (64798340).

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

52230460 is a wasteful number, since it uses less digits than its factorization.

52230460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52230460 is about 7227.0644109486. The cubic root of 52230460 is about 373.8017098284.

Adding to 52230460 its reverse (6403225), we get a palindrome (58633685).

The spelling of 52230460 in words is "fifty-two million, two hundred thirty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 149 170 298 340 596 745 1031 1490 2062 2533 2980 4124 5066 5155 10132 10310 12665 17527 20620 25330 35054 50660 70108 87635 153619 175270 307238 350540 614476 768095 1536190 2611523 3072380 5223046 10446092 13057615 26115230 52230460