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225262120 = 23531389467
BaseRepresentation
bin11010110110100…
…11101000101000
3120200212111112111
431123103220220
5430131341440
634204052104
75403460606
oct1533235050
9520774474
10225262120
11106177846
1263534034
13378908c5
1421cba876
1514b994ea
hexd6d3a28

225262120 has 64 divisors (see below), whose sum is σ = 525657600. Its totient is φ = 86787840.

The previous prime is 225262109. The next prime is 225262127. The reversal of 225262120 is 21262522.

It is a happy number.

225262120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225262091 and 225262100.

It is not an unprimeable number, because it can be changed into a prime (225262127) 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, 482127 + ... + 482593.

It is an arithmetic number, because the mean of its divisors is an integer number (8213400).

Almost surely, 2225262120 is an apocalyptic number.

225262120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225262120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262828800).

225262120 is an abundant number, since it is smaller than the sum of its proper divisors (300395480).

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

225262120 is a wasteful number, since it uses less digits than its factorization.

225262120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 225262120 is about 15008.7347901147. The cubic root of 225262120 is about 608.4562955710.

The spelling of 225262120 in words is "two hundred twenty-five million, two hundred sixty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 389 467 620 778 934 1240 1556 1868 1945 2335 3112 3736 3890 4670 7780 9340 12059 14477 15560 18680 24118 28954 48236 57908 60295 72385 96472 115816 120590 144770 181663 241180 289540 363326 482360 579080 726652 908315 1453304 1816630 3633260 5631553 7266520 11263106 22526212 28157765 45052424 56315530 112631060 225262120