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225196090 = 25731157661
BaseRepresentation
bin11010110110000…
…11100000111010
3120200202010221221
431123003200322
5430122233330
634202422254
75403064240
oct1533034072
9520663857
10225196090
11106132179
126350198a
1337869832
1421ca0790
1514b84b7a
hexd6c383a

225196090 has 64 divisors (see below), whose sum is σ = 481978368. Its totient is φ = 74131200.

The previous prime is 225196087. The next prime is 225196109. The reversal of 225196090 is 90691522.

225196090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340360 + ... + 341020.

It is an arithmetic number, because the mean of its divisors is an integer number (7530912).

Almost surely, 2225196090 is an apocalyptic number.

225196090 is an abundant number, since it is smaller than the sum of its proper divisors (256782278).

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

225196090 is a wasteful number, since it uses less digits than its factorization.

225196090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 225196090 is about 15006.5349098318. The cubic root of 225196090 is about 608.3968384737.

The spelling of 225196090 in words is "two hundred twenty-five million, one hundred ninety-six thousand, ninety".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 157 217 310 314 434 661 785 1085 1099 1322 1570 2170 2198 3305 4627 4867 5495 6610 9254 9734 10990 20491 23135 24335 34069 40982 46270 48670 68138 102455 103777 143437 170345 204910 207554 286874 340690 518885 717185 726439 1037770 1434370 1452878 3217087 3632195 6434174 7264390 16085435 22519609 32170870 45039218 112598045 225196090