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225771950 = 25213134469
BaseRepresentation
bin11010111010100…
…00000110101110
3120201211101220002
431131100012232
5430244200300
634223024302
75411013155
oct1535200656
9521741802
10225771950
11106495898
126373b092
1337a0b991
1421db059c
1514c4a5d5
hexd7501ae

225771950 has 24 divisors (see below), whose sum is σ = 423153720. Its totient is φ = 89616800.

The previous prime is 225771943. The next prime is 225771961. The reversal of 225771950 is 59177522.

225771950 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10685 + ... + 23784.

It is an arithmetic number, because the mean of its divisors is an integer number (17631405).

Almost surely, 2225771950 is an apocalyptic number.

225771950 is a deficient number, since it is larger than the sum of its proper divisors (197381770).

225771950 is a wasteful number, since it uses less digits than its factorization.

225771950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34612 (or 34607 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 225771950 is about 15025.7096338243. The cubic root of 225771950 is about 608.9149842273.

The spelling of 225771950 in words is "two hundred twenty-five million, seven hundred seventy-one thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 131 262 655 1310 3275 6550 34469 68938 172345 344690 861725 1723450 4515439 9030878 22577195 45154390 112885975 225771950