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225498650 = 25213192312
BaseRepresentation
bin11010111000011…
…01011000011010
3120201022111222212
431130031120122
5430211424100
634213115122
75405464316
oct1534153032
9521274885
10225498650
11106319523
1263628aa2
1337944470
1421d3cb46
1514be4635
hexd70d61a

225498650 has 108 divisors (see below), whose sum is σ = 492589566. Its totient is φ = 76334400.

The previous prime is 225498643. The next prime is 225498661. The reversal of 225498650 is 56894522.

225498650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 125238481 + 100260169 = 11191^2 + 10013^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225498598 and 225498607.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7274135 + ... + 7274165.

Almost surely, 2225498650 is an apocalyptic number.

225498650 is an abundant number, since it is smaller than the sum of its proper divisors (267090916).

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

225498650 is a wasteful number, since it uses less digits than its factorization.

225498650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 225498650 is about 15016.6124675308. The cubic root of 225498650 is about 608.6691850774.

The spelling of 225498650 in words is "two hundred twenty-five million, four hundred ninety-eight thousand, six hundred fifty".

Divisors: 1 2 5 10 13 19 25 26 31 38 50 62 65 95 130 155 190 247 310 325 361 403 475 494 589 650 722 775 806 950 961 1178 1235 1550 1805 1922 2015 2470 2945 3610 4030 4693 4805 5890 6175 7657 9025 9386 9610 10075 11191 12350 12493 14725 15314 18050 18259 20150 22382 23465 24025 24986 29450 36518 38285 46930 48050 55955 62465 76570 91295 111910 117325 124930 145483 182590 191425 234650 237367 279775 290966 312325 346921 382850 456475 474734 559550 624650 693842 727415 912950 1186835 1454830 1734605 2373670 3469210 3637075 4509973 5934175 7274150 8673025 9019946 11868350 17346050 22549865 45099730 112749325 225498650