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225140430 = 23541183041
BaseRepresentation
bin11010110101101…
…01111011001110
3120200122022121110
431122311323032
5430113443210
634201312450
75402443044
oct1532657316
9520568543
10225140430
111060a4379
1263495726
133784a3b8
1421c88394
1514b73420
hexd6b5ece

225140430 has 32 divisors (see below), whose sum is σ = 553519008. Its totient is φ = 58572800.

The previous prime is 225140429. The next prime is 225140437. The reversal of 225140430 is 34041522.

It is a junction number, because it is equal to n+sod(n) for n = 225140397 and 225140406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225140437) 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, 90291 + ... + 92750.

It is an arithmetic number, because the mean of its divisors is an integer number (17297469).

Almost surely, 2225140430 is an apocalyptic number.

225140430 is an abundant number, since it is smaller than the sum of its proper divisors (328378578).

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

225140430 is a wasteful number, since it uses less digits than its factorization.

225140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183092.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 225140430 is about 15004.6802698358. The cubic root of 225140430 is about 608.3467100747.

Adding to 225140430 its reverse (34041522), we get a palindrome (259181952).

The spelling of 225140430 in words is "two hundred twenty-five million, one hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 183041 366082 549123 915205 1098246 1830410 2745615 5491230 7504681 15009362 22514043 37523405 45028086 75046810 112570215 225140430