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225442556 = 2256360639
BaseRepresentation
bin11010110111111…
…11101011111100
3120201012200001022
431123333223330
5430203130211
634212003312
75405141633
oct1533775374
9521180038
10225442556
11106290369
1263600538
1337924a81
1421d2651a
1514bd2bdb
hexd6ffafc

225442556 has 6 divisors (see below), whose sum is σ = 394524480. Its totient is φ = 112721276.

The previous prime is 225442501. The next prime is 225442561. The reversal of 225442556 is 655244522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28180316 + ... + 28180323.

It is an arithmetic number, because the mean of its divisors is an integer number (65754080).

Almost surely, 2225442556 is an apocalyptic number.

It is an amenable number.

225442556 is a deficient number, since it is larger than the sum of its proper divisors (169081924).

225442556 is a wasteful number, since it uses less digits than its factorization.

225442556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56360643 (or 56360641 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 225442556 is about 15014.7446198728. The cubic root of 225442556 is about 608.6187109826.

The spelling of 225442556 in words is "two hundred twenty-five million, four hundred forty-two thousand, five hundred fifty-six".

Divisors: 1 2 4 56360639 112721278 225442556