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202840525 = 5259137519
BaseRepresentation
bin11000001011100…
…01100111001101
3112010200100220001
430011301213031
5403411344100
632043324301
75012054536
oct1405614715
9463610801
10202840525
11a45530a8
1257b20691
13330401a4
141cd2168d
1512c1ad6a
hexc1719cd

202840525 has 12 divisors (see below), whose sum is σ = 255787200. Its totient is φ = 159520880.

The previous prime is 202840513. The next prime is 202840541. The reversal of 202840525 is 525048202.

202840525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202840525 - 225 = 169286093 is a prime.

It is a super-2 number, since 2×2028405252 = 82288557164551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202840493 and 202840502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67285 + ... + 70234.

It is an arithmetic number, because the mean of its divisors is an integer number (21315600).

Almost surely, 2202840525 is an apocalyptic number.

202840525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202840525 is a deficient number, since it is larger than the sum of its proper divisors (52946675).

202840525 is a wasteful number, since it uses less digits than its factorization.

202840525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137588 (or 137583 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 202840525 is about 14242.2092738451. The cubic root of 202840525 is about 587.5591248780.

Adding to 202840525 its reverse (525048202), we get a palindrome (727888727).

The spelling of 202840525 in words is "two hundred two million, eight hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 25 59 295 1475 137519 687595 3437975 8113621 40568105 202840525