Search a number
-
+
203012325 = 3452293457
BaseRepresentation
bin11000001100110…
…11100011100101
3112011000002120000
430012123203211
5403432343300
632051131513
75013401445
oct1406334345
9464002500
10203012325
11a466018a
1257ba3b99
13330a0449
141cd68125
1512c51c00
hexc19b8e5

203012325 has 60 divisors (see below), whose sum is σ = 389128740. Its totient is φ = 104509440.

The previous prime is 203012311. The next prime is 203012347. The reversal of 203012325 is 523210302.

203012325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 40373316 + 162639009 = 6354^2 + 12753^2 .

It is not a de Polignac number, because 203012325 - 29 = 203011813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203012298 and 203012307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 56997 + ... + 60453.

It is an arithmetic number, because the mean of its divisors is an integer number (6485479).

Almost surely, 2203012325 is an apocalyptic number.

203012325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203012325 is a deficient number, since it is larger than the sum of its proper divisors (186116415).

203012325 is a wasteful number, since it uses less digits than its factorization.

203012325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 203012325 is about 14248.2393649180. The cubic root of 203012325 is about 587.7249598734.

Adding to 203012325 its reverse (523210302), we get a palindrome (726222627).

The spelling of 203012325 in words is "two hundred three million, twelve thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 29 45 75 81 87 135 145 225 261 405 435 675 725 783 1305 2025 2175 2349 3457 3915 6525 10371 11745 17285 19575 31113 51855 58725 86425 93339 100253 155565 259275 280017 300759 466695 501265 777825 902277 1400085 1503795 2333475 2506325 2706831 4511385 7000425 7518975 8120493 13534155 22556925 40602465 67670775 203012325