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52330530 = 2357297367
BaseRepresentation
bin1100011110100…
…0000000100010
310122110122222210
43013220000202
5101344034110
65105342550
71203542100
oct307500042
9118418883
1052330530
11275a277a
1215637a56
13aac3115
146d42c70
1548da520
hex31e8022

52330530 has 96 divisors (see below), whose sum is σ = 148006656. Its totient is φ = 11805696.

The previous prime is 52330517. The next prime is 52330549. The reversal of 52330530 is 3503325.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 52330497 and 52330506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142407 + ... + 142773.

It is an arithmetic number, because the mean of its divisors is an integer number (1541736).

Almost surely, 252330530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52330530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74003328).

52330530 is an abundant number, since it is smaller than the sum of its proper divisors (95676126).

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

52330530 is a wasteful number, since it uses less digits than its factorization.

52330530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 52330530 is about 7233.9843793030. The cubic root of 52330530 is about 374.0402837255.

Adding to 52330530 its reverse (3503325), we get a palindrome (55833855).

The spelling of 52330530 in words is "fifty-two million, three hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 97 98 105 147 194 210 245 291 294 367 485 490 582 679 734 735 970 1101 1358 1455 1470 1835 2037 2202 2569 2910 3395 3670 4074 4753 5138 5505 6790 7707 9506 10185 11010 12845 14259 15414 17983 20370 23765 25690 28518 35599 35966 38535 47530 53949 71198 71295 77070 89915 106797 107898 142590 177995 179830 213594 249193 269745 355990 498386 533985 539490 747579 1067970 1245965 1495158 1744351 2491930 3488702 3737895 5233053 7475790 8721755 10466106 17443510 26165265 52330530