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525105430 = 2552510543
BaseRepresentation
bin11111010011000…
…111100100010110
31100121002010020021
4133103013210112
52033411333210
6124034455354
716004215423
oct3723074426
91317063207
10525105430
1124a454533
12127a3455a
1384a35295
144da4cd4a
1531176bda
hex1f4c7916

525105430 has 8 divisors (see below), whose sum is σ = 945189792. Its totient is φ = 210042168.

The previous prime is 525105419. The next prime is 525105439. The reversal of 525105430 is 34501525.

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

It is a junction number, because it is equal to n+sod(n) for n = 525105395 and 525105404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525105439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26255262 + ... + 26255281.

It is an arithmetic number, because the mean of its divisors is an integer number (118148724).

Almost surely, 2525105430 is an apocalyptic number.

525105430 is a deficient number, since it is larger than the sum of its proper divisors (420084362).

525105430 is a wasteful number, since it uses less digits than its factorization.

525105430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52510550.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 525105430 is about 22915.1790305029. The cubic root of 525105430 is about 806.7683205985.

Adding to 525105430 its reverse (34501525), we get a palindrome (559606955).

The spelling of 525105430 in words is "five hundred twenty-five million, one hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 52510543 105021086 262552715 525105430