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25965268 = 2273771353
BaseRepresentation
bin110001100001…
…1001011010100
31210212011122121
41203003023110
523121342033
62324305324
7433462330
oct143031324
953764577
1025965268
11137250aa
128842244
1354c1684
14363c7c0
15242d62d
hex18c32d4

25965268 has 48 divisors (see below), whose sum is σ = 54238464. Its totient is φ = 10644480.

The previous prime is 25965257. The next prime is 25965271. The reversal of 25965268 is 86256952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73380 + ... + 73732.

It is an arithmetic number, because the mean of its divisors is an integer number (1129968).

Almost surely, 225965268 is an apocalyptic number.

25965268 is a gapful number since it is divisible by the number (28) 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 25965268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27119232).

25965268 is an abundant number, since it is smaller than the sum of its proper divisors (28273196).

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

25965268 is a wasteful number, since it uses less digits than its factorization.

25965268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 25965268 is about 5095.6126226392. The cubic root of 25965268 is about 296.1176334253.

The spelling of 25965268 in words is "twenty-five million, nine hundred sixty-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 37 71 74 142 148 259 284 353 497 518 706 994 1036 1412 1988 2471 2627 4942 5254 9884 10508 13061 18389 25063 26122 36778 50126 52244 73556 91427 100252 175441 182854 350882 365708 701764 927331 1854662 3709324 6491317 12982634 25965268