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225801705 = 3515053447
BaseRepresentation
bin11010111010101…
…11010111101001
3120201212220201010
431131113113221
5430301123310
634223414133
75411166003
oct1535272751
9521786633
10225801705
11106506188
1263754349
1337a1c39c
1421dbb373
1514c54320
hexd7575e9

225801705 has 8 divisors (see below), whose sum is σ = 361282752. Its totient is φ = 120427568.

The previous prime is 225801691. The next prime is 225801707. The reversal of 225801705 is 507108522.

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 225801705 - 24 = 225801689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225801707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7526709 + ... + 7526738.

It is an arithmetic number, because the mean of its divisors is an integer number (45160344).

Almost surely, 2225801705 is an apocalyptic number.

It is an amenable number.

225801705 is a deficient number, since it is larger than the sum of its proper divisors (135481047).

225801705 is a wasteful number, since it uses less digits than its factorization.

225801705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15053455.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 225801705 is about 15026.6997374673. The cubic root of 225801705 is about 608.9417331502.

The spelling of 225801705 in words is "two hundred twenty-five million, eight hundred one thousand, seven hundred five".

Divisors: 1 3 5 15 15053447 45160341 75267235 225801705