Search a number
-
+
52743740 = 2257675623
BaseRepresentation
bin1100100100110…
…0111000111100
310200020122210212
43021030320330
5102000244430
65122251552
71210212560
oct311147074
9120218725
1052743740
1127855175
12157b6bb8
13ac0921a
14700d6a0
15496cb95
hex324ce3c

52743740 has 48 divisors (see below), whose sum is σ = 128497152. Its totient is φ = 17810496.

The previous prime is 52743739. The next prime is 52743751. The reversal of 52743740 is 4734725.

52743740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52743697 and 52743706.

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, 6569 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (2677024).

Almost surely, 252743740 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 52743740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64248576).

52743740 is an abundant number, since it is smaller than the sum of its proper divisors (75753412).

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

52743740 is a wasteful number, since it uses less digits than its factorization.

52743740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 52743740 is about 7262.4885542078. The cubic root of 52743740 is about 375.0221972046.

The spelling of 52743740 in words is "fifty-two million, seven hundred forty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 5623 9380 11246 22492 28115 39361 56230 78722 112460 157444 196805 376741 393610 753482 787220 1506964 1883705 2637187 3767410 5274374 7534820 10548748 13185935 26371870 52743740