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225500135 = 576442861
BaseRepresentation
bin11010111000011…
…01101111100111
3120201022121000212
431130031233213
5430212001020
634213130035
75405501540
oct1534155747
9521277025
10225500135
1110631a653
126362991b
1337945043
1421d3d4c7
1514be4cc5
hexd70dbe7

225500135 has 8 divisors (see below), whose sum is σ = 309257376. Its totient is φ = 154628640.

The previous prime is 225500111. The next prime is 225500141. The reversal of 225500135 is 531005522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225500135 - 210 = 225499111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225500135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221396 + ... + 3221465.

It is an arithmetic number, because the mean of its divisors is an integer number (38657172).

Almost surely, 2225500135 is an apocalyptic number.

225500135 is a deficient number, since it is larger than the sum of its proper divisors (83757241).

225500135 is an equidigital number, since it uses as much as digits as its factorization.

225500135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442873.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 225500135 is about 15016.6619126889. The cubic root of 225500135 is about 608.6705211855.

Adding to 225500135 its reverse (531005522), we get a palindrome (756505657).

The spelling of 225500135 in words is "two hundred twenty-five million, five hundred thousand, one hundred thirty-five".

Divisors: 1 5 7 35 6442861 32214305 45100027 225500135