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52573820 = 22513229883
BaseRepresentation
bin1100100010001…
…1011001111100
310122221000201112
43020203121330
5101424330240
65114501152
71205604305
oct310433174
9118830645
1052573820
1127749542
12157347b8
13ab79a90
146da77ac
154937665
hex322367c

52573820 has 48 divisors (see below), whose sum is σ = 119552160. Its totient is φ = 19305216.

The previous prime is 52573819. The next prime is 52573841. The reversal of 52573820 is 2837525.

52573820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

52573820 is a Rhonda number in base 16.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59099 + ... + 59981.

It is an arithmetic number, because the mean of its divisors is an integer number (2490670).

Almost surely, 252573820 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 52573820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59776080).

52573820 is an abundant number, since it is smaller than the sum of its proper divisors (66978340).

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

52573820 is a wasteful number, since it uses less digits than its factorization.

52573820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 52573820 is about 7250.7806476268. The cubic root of 52573820 is about 374.6190382981.

The spelling of 52573820 in words is "fifty-two million, five hundred seventy-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 229 260 458 883 916 1145 1766 2290 2977 3532 4415 4580 5954 8830 11479 11908 14885 17660 22958 29770 45916 57395 59540 114790 202207 229580 404414 808828 1011035 2022070 2628691 4044140 5257382 10514764 13143455 26286910 52573820