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225813670 = 25195632111
BaseRepresentation
bin11010111010110…
…10010010100110
3120201220112010021
431131122102212
5430302014140
634223545354
75411245615
oct1535322246
9521815107
10225813670
11106514175
126375b25a
1337a24974
1421dc187c
1514c57b4a
hexd75a4a6

225813670 has 32 divisors (see below), whose sum is σ = 428820480. Its totient is φ = 85379040.

The previous prime is 225813659. The next prime is 225813673. The reversal of 225813670 is 76318522.

It is a happy number.

225813670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225813673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105915 + ... + 108025.

It is an arithmetic number, because the mean of its divisors is an integer number (13400640).

Almost surely, 2225813670 is an apocalyptic number.

225813670 is a deficient number, since it is larger than the sum of its proper divisors (203006810).

225813670 is a wasteful number, since it uses less digits than its factorization.

225813670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 225813670 is about 15027.0978568718. The cubic root of 225813670 is about 608.9524886922.

The spelling of 225813670 in words is "two hundred twenty-five million, eight hundred thirteen thousand, six hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 563 1126 2111 2815 4222 5630 10555 10697 21110 21394 40109 53485 80218 106970 200545 401090 1188493 2376986 5942465 11884930 22581367 45162734 112906835 225813670