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52810030 = 25713131443
BaseRepresentation
bin1100100101110…
…1000100101110
310200101000202001
43021131010232
5102004410110
65123522514
71210610050
oct311350456
9120330661
1052810030
112789aa59
121582943a
13ac30450
1470298d0
15498263a
hex325d12e

52810030 has 64 divisors (see below), whose sum is σ = 118153728. Its totient is φ = 16548480.

The previous prime is 52809997. The next prime is 52810031. The reversal of 52810030 is 3001825.

It is a happy number.

52810030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52810031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 118989 + ... + 119431.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 252810030 is an apocalyptic number.

52810030 is an abundant number, since it is smaller than the sum of its proper divisors (65343698).

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

52810030 is a wasteful number, since it uses less digits than its factorization.

52810030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52810030 is about 7267.0509837210. The cubic root of 52810030 is about 375.1792446803.

Adding to 52810030 its reverse (3001825), we get a palindrome (55811855).

The spelling of 52810030 in words is "fifty-two million, eight hundred ten thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 131 182 262 443 455 655 886 910 917 1310 1703 1834 2215 3101 3406 4430 4585 5759 6202 8515 9170 11518 11921 15505 17030 23842 28795 31010 40313 57590 58033 59605 80626 116066 119210 201565 290165 403130 406231 580330 754429 812462 1508858 2031155 3772145 4062310 5281003 7544290 10562006 26405015 52810030