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52351230 = 23513212
BaseRepresentation
bin1100011110110…
…1000011111110
310122111201101110
43013231003332
5101400214410
65110022450
71203656331
oct307550376
9118451343
1052351230
1127607288
1215647a26
13aacc679
146d4a618
1548e1720
hex31ed0fe

52351230 has 24 divisors (see below), whose sum is σ = 125738136. Its totient is φ = 13949760.

The previous prime is 52351223. The next prime is 52351249. The reversal of 52351230 is 3215325.

It is a junction number, because it is equal to n+sod(n) for n = 52351197 and 52351206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38970 + ... + 40290.

It is an arithmetic number, because the mean of its divisors is an integer number (5239089).

Almost surely, 252351230 is an apocalyptic number.

52351230 is an abundant number, since it is smaller than the sum of its proper divisors (73386906).

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

52351230 is an equidigital number, since it uses as much as digits as its factorization.

52351230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52351230 is about 7235.4149846432. The cubic root of 52351230 is about 374.0895960052.

Adding to 52351230 its reverse (3215325), we get a palindrome (55566555).

The spelling of 52351230 in words is "fifty-two million, three hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1321 2642 3963 6605 7926 13210 19815 39630 1745041 3490082 5235123 8725205 10470246 17450410 26175615 52351230