Search a number
-
+
528252825 = 3528979139
BaseRepresentation
bin11111011111000…
…111111110011001
31100211000000122110
4133133013332121
52040213042300
6124230142533
716043034462
oct3737077631
91324000573
10528252825
11251204191
12128ab1a49
1385597a49
145022bd69
1531599550
hex1f7c7f99

528252825 has 24 divisors (see below), whose sum is σ = 883202400. Its totient is φ = 278565760.

The previous prime is 528252797. The next prime is 528252833.

It is a happy number.

528252825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528252825 - 25 = 528252793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32895 + ... + 46244.

It is an arithmetic number, because the mean of its divisors is an integer number (36800100).

Almost surely, 2528252825 is an apocalyptic number.

It is an amenable number.

528252825 is a deficient number, since it is larger than the sum of its proper divisors (354949575).

528252825 is a wasteful number, since it uses less digits than its factorization.

528252825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79241 (or 79236 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 528252825 is about 22983.7513256648. The cubic root of 528252825 is about 808.3769894113.

The spelling of 528252825 in words is "five hundred twenty-eight million, two hundred fifty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 89 267 445 1335 2225 6675 79139 237417 395695 1187085 1978475 5935425 7043371 21130113 35216855 105650565 176084275 528252825