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225971482 = 21116936067
BaseRepresentation
bin11010111100000…
…00110100011010
3120202012112121011
431132000310122
5430322041412
634231204134
75412503662
oct1536006432
9522175534
10225971482
111066117a0
126381664a
1337a7b749
14220231a2
1514c897a7
hexd780d1a

225971482 has 16 divisors (see below), whose sum is σ = 370050912. Its totient is φ = 102636720.

The previous prime is 225971479. The next prime is 225971483. The reversal of 225971482 is 284179522.

It is a super-2 number, since 2×2259714822 = 102126221354552648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225971483) 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, 34213 + ... + 40279.

It is an arithmetic number, because the mean of its divisors is an integer number (23128182).

Almost surely, 2225971482 is an apocalyptic number.

225971482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225971482 is a deficient number, since it is larger than the sum of its proper divisors (144079430).

225971482 is a wasteful number, since it uses less digits than its factorization.

225971482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773.

The product of its digits is 80640, while the sum is 40.

The square root of 225971482 is about 15032.3478538783. The cubic root of 225971482 is about 609.0943130439.

The spelling of 225971482 in words is "two hundred twenty-five million, nine hundred seventy-one thousand, four hundred eighty-two".

Divisors: 1 2 11 22 1693 3386 6067 12134 18623 37246 66737 133474 10271431 20542862 112985741 225971482