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225194371 = 6113128181
BaseRepresentation
bin11010110110000…
…11000110000011
3120200202001121021
431123003012003
5430122204441
634202410311
75403056233
oct1533030603
9520661537
10225194371
11106130956
1263500997
1337868b0c
1421c9dcc3
1514b843d1
hexd6c3183

225194371 has 8 divisors (see below), whose sum is σ = 230641488. Its totient is φ = 219804000.

The previous prime is 225194369. The next prime is 225194381. The reversal of 225194371 is 173491522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225194371 - 21 = 225194369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225194381) 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, 6100 + ... + 22081.

It is an arithmetic number, because the mean of its divisors is an integer number (28830186).

Almost surely, 2225194371 is an apocalyptic number.

225194371 is a deficient number, since it is larger than the sum of its proper divisors (5447117).

225194371 is a wasteful number, since it uses less digits than its factorization.

225194371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28373.

The product of its digits is 15120, while the sum is 34.

The square root of 225194371 is about 15006.4776346750. The cubic root of 225194371 is about 608.3952904349.

The spelling of 225194371 in words is "two hundred twenty-five million, one hundred ninety-four thousand, three hundred seventy-one".

Divisors: 1 61 131 7991 28181 1719041 3691711 225194371