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52875520 = 285101409
BaseRepresentation
bin1100100110110…
…1000100000000
310200111100120121
43021231010000
5102014004040
65125150024
71211302015
oct311550400
9120440517
1052875520
1127935185
121585b314
13ac541b9
14704570c
154996c4a
hex326d100

52875520 has 72 divisors (see below), whose sum is σ = 128220120. Its totient is φ = 20889600.

The previous prime is 52875469. The next prime is 52875521. The reversal of 52875520 is 2557825.

It can be written as a sum of positive squares in 4 ways, for example, as 30294016 + 22581504 = 5504^2 + 4752^2 .

It is not an unprimeable number, because it can be changed into a prime (52875521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129076 + ... + 129484.

It is an arithmetic number, because the mean of its divisors is an integer number (1780835).

Almost surely, 252875520 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 52875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64110060).

52875520 is an abundant number, since it is smaller than the sum of its proper divisors (75344600).

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

52875520 is a wasteful number, since it uses less digits than its factorization.

52875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 52875520 is about 7271.5555419731. Note that the first 4 decimals coincide. The cubic root of 52875520 is about 375.3342678774.

The spelling of 52875520 in words is "fifty-two million, eight hundred seventy-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 101 128 160 202 256 320 404 409 505 640 808 818 1010 1280 1616 1636 2020 2045 3232 3272 4040 4090 6464 6544 8080 8180 12928 13088 16160 16360 25856 26176 32320 32720 41309 52352 64640 65440 82618 104704 129280 130880 165236 206545 261760 330472 413090 523520 660944 826180 1321888 1652360 2643776 3304720 5287552 6609440 10575104 13218880 26437760 52875520