Search a number
-
+
525344285 = 5176180521
BaseRepresentation
bin11111010100000…
…001111000011101
31100121112020212202
4133110001320131
52033442004120
6124043541245
716006231664
oct3724017035
91317466782
10525344285
1124a5a7a34
12127b2a825
1384ab9c0b
144dab1ddb
15311c2875
hex1f501e1d

525344285 has 8 divisors (see below), whose sum is σ = 667496376. Its totient is φ = 395553280.

The previous prime is 525344269. The next prime is 525344291. The reversal of 525344285 is 582443525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10099684 + 515244601 = 3178^2 + 22699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525344285 - 24 = 525344269 is a prime.

It is a super-2 number, since 2×5253442852 = 551973235564322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090176 + ... + 3090345.

It is an arithmetic number, because the mean of its divisors is an integer number (83437047).

Almost surely, 2525344285 is an apocalyptic number.

It is an amenable number.

525344285 is a deficient number, since it is larger than the sum of its proper divisors (142152091).

525344285 is a wasteful number, since it uses less digits than its factorization.

525344285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180543.

The product of its digits is 192000, while the sum is 38.

The square root of 525344285 is about 22920.3901581103. The cubic root of 525344285 is about 806.8906271079.

The spelling of 525344285 in words is "five hundred twenty-five million, three hundred forty-four thousand, two hundred eighty-five".

Divisors: 1 5 17 85 6180521 30902605 105068857 525344285