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25293268 = 22711136317
BaseRepresentation
bin110000001111…
…1000111010100
31202121000211201
41200133013110
522433341033
62302042244
7424663210
oct140370724
952530751
1025293268
1113306230
128579384
135317840
143505940
15234947d
hex181f1d4

25293268 has 48 divisors (see below), whose sum is σ = 59439744. Its totient is φ = 9095040.

The previous prime is 25293251. The next prime is 25293277. The reversal of 25293268 is 86239252.

It is a super-2 number, since 2×252932682 = 1279498812239648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846 + ... + 7162.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 225293268 is an apocalyptic number.

25293268 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 25293268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29719872).

25293268 is an abundant number, since it is smaller than the sum of its proper divisors (34146476).

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

25293268 is a wasteful number, since it uses less digits than its factorization.

25293268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6350 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 25293268 is about 5029.2412946686. The cubic root of 25293268 is about 293.5406930277.

The spelling of 25293268 in words is "twenty-five million, two hundred ninety-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 6317 12634 25268 44219 69487 82121 88438 138974 164242 176876 277948 328484 486409 574847 903331 972818 1149694 1806662 1945636 2299388 3613324 6323317 12646634 25293268