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225162642 = 23191196477
BaseRepresentation
bin11010110101110…
…11010110010010
3120200200110002010
431122323112102
5430120201032
634202003350
75402564565
oct1532732622
9520613063
10225162642
1110610a031
12634a6556
1337857543
1421c924dc
1514b79ccc
hexd6bb592

225162642 has 16 divisors (see below), whose sum is σ = 452685312. Its totient is φ = 74660880.

The previous prime is 225162631. The next prime is 225162643. The reversal of 225162642 is 246261522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225162643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97093 + ... + 99384.

It is an arithmetic number, because the mean of its divisors is an integer number (28292832).

Almost surely, 2225162642 is an apocalyptic number.

225162642 is an abundant number, since it is smaller than the sum of its proper divisors (227522670).

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

225162642 is a wasteful number, since it uses less digits than its factorization.

225162642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196673.

The product of its digits is 11520, while the sum is 30.

The square root of 225162642 is about 15005.4204206347. The cubic root of 225162642 is about 608.3667155927.

The spelling of 225162642 in words is "two hundred twenty-five million, one hundred sixty-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 191 382 573 1146 196477 392954 589431 1178862 37527107 75054214 112581321 225162642