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52043040 = 2533571721
BaseRepresentation
bin1100011010000…
…1110100100000
310121221001122000
43012201310200
5101310334130
65055244000
71201233660
oct306416440
9117831560
1052043040
1127416785
1215519600
13aa222ca
146caa1a0
154880260
hex31a1d20

52043040 has 192 divisors, whose sum is σ = 208293120. Its totient is φ = 11888640.

The previous prime is 52043027. The next prime is 52043041. The reversal of 52043040 is 4034025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (52043041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29380 + ... + 31100.

It is an arithmetic number, because the mean of its divisors is an integer number (1084860).

Almost surely, 252043040 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 52043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104146560).

52043040 is an abundant number, since it is smaller than the sum of its proper divisors (156250080).

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

52043040 is a wasteful number, since it uses less digits than its factorization.

52043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52043040 is about 7214.0862207212. The cubic root of 52043040 is about 373.3540663089.

Adding to 52043040 its reverse (4034025), we get a palindrome (56077065).

The spelling of 52043040 in words is "fifty-two million, forty-three thousand, forty".