Search a number
-
+
528162425 = 5272431153
BaseRepresentation
bin11111011110110…
…001111001111001
31100210211102122022
4133132301321321
52040202144200
6124224204225
716042210100
oct3736617171
91323742568
10528162425
1125115227a
12128a69675
138556585b
1450207037
153157c885
hex1f7b1e79

528162425 has 18 divisors (see below), whose sum is σ = 761849118. Its totient is φ = 362167680.

The previous prime is 528162419. The next prime is 528162463. The reversal of 528162425 is 524261825.

It can be written as a sum of positive squares in 3 ways, for example, as 109223401 + 418939024 = 10451^2 + 20468^2 .

It is not a de Polignac number, because 528162425 - 28 = 528162169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 214352 + ... + 216801.

It is an arithmetic number, because the mean of its divisors is an integer number (42324951).

Almost surely, 2528162425 is an apocalyptic number.

It is an amenable number.

528162425 is a deficient number, since it is larger than the sum of its proper divisors (233686693).

528162425 is a wasteful number, since it uses less digits than its factorization.

528162425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431177 (or 431165 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 528162425 is about 22981.7846347928. The cubic root of 528162425 is about 808.3308742146.

The spelling of 528162425 in words is "five hundred twenty-eight million, one hundred sixty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 431153 2155765 3018071 10778825 15090355 21126497 75451775 105632485 528162425