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225035540 = 22513678231
BaseRepresentation
bin11010110100111…
…00010100010100
3120200102222201122
431122130110110
5430102114130
634155143112
75401525202
oct1532342424
9520388648
10225035540
11106032594
1263444a98
1337811732
1421c5c072
1514b522e5
hexd69c514

225035540 has 24 divisors (see below), whose sum is σ = 472977792. Its totient is φ = 89937440.

The previous prime is 225035471. The next prime is 225035543. The reversal of 225035540 is 45530522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225035543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23225 + ... + 31455.

It is an arithmetic number, because the mean of its divisors is an integer number (19707408).

Almost surely, 2225035540 is an apocalyptic number.

225035540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225035540 is an abundant number, since it is smaller than the sum of its proper divisors (247942252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225035540 is a wasteful number, since it uses less digits than its factorization.

225035540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607 (or 9605 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 225035540 is about 15001.1846198892. The cubic root of 225035540 is about 608.2522217912.

The spelling of 225035540 in words is "two hundred twenty-five million, thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1367 2734 5468 6835 8231 13670 16462 27340 32924 41155 82310 164620 11251777 22503554 45007108 56258885 112517770 225035540