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225439235 = 57139149311
BaseRepresentation
bin11010110111111…
…10111000000011
3120201012111111022
431123332320003
5430203023420
634211540055
75405126150
oct1533767003
9521174438
10225439235
1110628891a
12635ba62b
13379233c8
1421d25227
1514bd1c25
hexd6fee03

225439235 has 32 divisors (see below), whose sum is σ = 314496000. Its totient is φ = 151954560.

The previous prime is 225439217. The next prime is 225439273. The reversal of 225439235 is 532934522.

It is not a de Polignac number, because 225439235 - 214 = 225422851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 225439195 and 225439204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724730 + ... + 725040.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000).

Almost surely, 2225439235 is an apocalyptic number.

225439235 is a deficient number, since it is larger than the sum of its proper divisors (89056765).

225439235 is a wasteful number, since it uses less digits than its factorization.

225439235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its digits is 64800, while the sum is 35.

The square root of 225439235 is about 15014.6340281740. The cubic root of 225439235 is about 608.6157224420.

The spelling of 225439235 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, two hundred thirty-five".

Divisors: 1 5 7 35 139 149 311 695 745 973 1043 1555 2177 4865 5215 10885 20711 43229 46339 103555 144977 216145 231695 302603 324373 724885 1513015 1621865 6441121 32205605 45087847 225439235