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225250494 = 23710352069
BaseRepresentation
bin11010110110100…
…00110010111110
3120200211220120220
431123100302332
5430131003434
634203522210
75403411660
oct1533206276
9520756526
10225250494
1110616a037
1263529366
1337888521
1421cb6530
1514b95d49
hexd6d0cbe

225250494 has 32 divisors (see below), whose sum is σ = 519866880. Its totient is φ = 63731232.

The previous prime is 225250483. The next prime is 225250499. The reversal of 225250494 is 494052522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225250499) 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, 21709 + ... + 30360.

It is an arithmetic number, because the mean of its divisors is an integer number (16245840).

Almost surely, 2225250494 is an apocalyptic number.

225250494 is an abundant number, since it is smaller than the sum of its proper divisors (294616386).

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

225250494 is a wasteful number, since it uses less digits than its factorization.

225250494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52184.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 225250494 is about 15008.3474773207. The cubic root of 225250494 is about 608.4458277146.

The spelling of 225250494 in words is "two hundred twenty-five million, two hundred fifty thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 103 206 309 618 721 1442 2163 4326 52069 104138 156207 312414 364483 728966 1093449 2186898 5363107 10726214 16089321 32178642 37541749 75083498 112625247 225250494