Search a number
-
+
53024820 = 223519193241
BaseRepresentation
bin1100101001000…
…1100000110100
310200202221101020
43022101200310
5102033243240
65132301140
71212463212
oct312214064
9120687336
1053024820
1127a27372
12159117b0
13aca7144
147083cb2
1549c60d0
hex3291834

53024820 has 96 divisors (see below), whose sum is σ = 157745280. Its totient is φ = 13271040.

The previous prime is 53024761. The next prime is 53024831. The reversal of 53024820 is 2842035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219900 + ... + 220140.

It is an arithmetic number, because the mean of its divisors is an integer number (1643180).

Almost surely, 253024820 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 53024820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78872640).

53024820 is an abundant number, since it is smaller than the sum of its proper divisors (104720460).

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

53024820 is a wasteful number, since it uses less digits than its factorization.

53024820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 53024820 is about 7281.8143343538. The cubic root of 53024820 is about 375.6872021283.

Adding to 53024820 its reverse (2842035), we get a palindrome (55866855).

The spelling of 53024820 in words is "fifty-three million, twenty-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 193 228 241 285 380 386 482 570 579 723 772 964 965 1140 1158 1205 1446 1930 2316 2410 2892 2895 3615 3667 3860 4579 4820 5790 7230 7334 9158 11001 11580 13737 14460 14668 18316 18335 22002 22895 27474 36670 44004 45790 46513 54948 55005 68685 73340 91580 93026 110010 137370 139539 186052 220020 232565 274740 279078 465130 558156 697695 883747 930260 1395390 1767494 2651241 2790780 3534988 4418735 5302482 8837470 10604964 13256205 17674940 26512410 53024820