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263051225 = 5210522049
BaseRepresentation
bin11111010110111…
…01011111011001
3200022222101102222
433223131133121
51014320114400
642034033425
76342620123
oct1753353731
9608871388
10263051225
11125538308
1274118875
1342662018
1426d16213
1518161185
hexfadd7d9

263051225 has 6 divisors (see below), whose sum is σ = 326183550. Its totient is φ = 210440960.

The previous prime is 263051209. The next prime is 263051227. The reversal of 263051225 is 522150362.

It can be written as a sum of positive squares in 3 ways, for example, as 1032256 + 262018969 = 1016^2 + 16187^2 .

It is not a de Polignac number, because 263051225 - 24 = 263051209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263051194 and 263051203.

It is not an unprimeable number, because it can be changed into a prime (263051227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5261000 + ... + 5261049.

It is an arithmetic number, because the mean of its divisors is an integer number (54363925).

Almost surely, 2263051225 is an apocalyptic number.

263051225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263051225 is a deficient number, since it is larger than the sum of its proper divisors (63132325).

263051225 is a wasteful number, since it uses less digits than its factorization.

263051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522059 (or 10522054 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 263051225 is about 16218.8539977398. The cubic root of 263051225 is about 640.7374515269.

The spelling of 263051225 in words is "two hundred sixty-three million, fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 10522049 52610245 263051225