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52981824 = 263779499
BaseRepresentation
bin1100101000011…
…1000001000000
310200200202101210
43022013001000
5102030404244
65131330120
71212223650
oct312070100
9120622353
1052981824
11279a8035
12158b0940
13ac906bc
147072360
1549b84b9
hex3287040

52981824 has 112 divisors (see below), whose sum is σ = 162560000. Its totient is φ = 14916096.

The previous prime is 52981813. The next prime is 52981829. The reversal of 52981824 is 42818925.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×529818243 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52981829) 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, 105927 + ... + 106425.

Almost surely, 252981824 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 52981824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81280000).

52981824 is an abundant number, since it is smaller than the sum of its proper divisors (109578176).

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

52981824 is a wasteful number, since it uses less digits than its factorization.

52981824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 590 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 52981824 is about 7278.8614494301. The cubic root of 52981824 is about 375.5856307327.

The spelling of 52981824 in words is "fifty-two million, nine hundred eighty-one thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 79 84 96 112 158 168 192 224 237 316 336 448 474 499 553 632 672 948 998 1106 1264 1344 1497 1659 1896 1996 2212 2528 2994 3318 3493 3792 3992 4424 5056 5988 6636 6986 7584 7984 8848 10479 11976 13272 13972 15168 15968 17696 20958 23952 26544 27944 31936 35392 39421 41916 47904 53088 55888 78842 83832 95808 106176 111776 118263 157684 167664 223552 236526 275947 315368 335328 473052 551894 630736 670656 827841 946104 1103788 1261472 1655682 1892208 2207576 2522944 3311364 3784416 4415152 6622728 7568832 8830304 13245456 17660608 26490912 52981824