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250023230 = 25671033623
BaseRepresentation
bin11101110011100…
…00110100111110
3122102110111101122
432321300310332
51003001220410
640450510542
76124106462
oct1671606476
9572414348
10250023230
1111914a176
126b895452
133ca50152
14252c44a2
1516e3ae55
hexee70d3e

250023230 has 32 divisors (see below), whose sum is σ = 461320704. Its totient is φ = 97533216.

The previous prime is 250023227. The next prime is 250023253. The reversal of 250023230 is 32320052.

It is a junction number, because it is equal to n+sod(n) for n = 250023199 and 250023208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67199 + ... + 70821.

It is an arithmetic number, because the mean of its divisors is an integer number (14416272).

Almost surely, 2250023230 is an apocalyptic number.

250023230 is a deficient number, since it is larger than the sum of its proper divisors (211297474).

250023230 is a wasteful number, since it uses less digits than its factorization.

250023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 250023230 is about 15812.1228808785. The cubic root of 250023230 is about 629.9800363204.

Adding to 250023230 its reverse (32320052), we get a palindrome (282343282).

The spelling of 250023230 in words is "two hundred fifty million, twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 67 103 134 206 335 515 670 1030 3623 6901 7246 13802 18115 34505 36230 69010 242741 373169 485482 746338 1213705 1865845 2427410 3731690 25002323 50004646 125011615 250023230