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25330116 = 22371959269
BaseRepresentation
bin110000010100…
…0000111000100
31202122220101110
41200220013010
522441030431
62302525020
7425205510
oct140500704
952586343
1025330116
1113330989
128596770
13532b546
143515140
152355346
hex18281c4

25330116 has 96 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 6715008.

The previous prime is 25330103. The next prime is 25330117. The reversal of 25330116 is 61103352.

It is a super-2 number, since 2×253301162 = 1283229553146912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 25330092 and 25330101.

It is not an unprimeable number, because it can be changed into a prime (25330117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94030 + ... + 94298.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 225330116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25330116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36288000).

25330116 is an abundant number, since it is smaller than the sum of its proper divisors (47245884).

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

25330116 is a wasteful number, since it uses less digits than its factorization.

25330116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 25330116 is about 5032.9033370412. The cubic root of 25330116 is about 293.6831701901.

Adding to 25330116 its reverse (61103352), we get a palindrome (86433468).

The spelling of 25330116 in words is "twenty-five million, three hundred thirty thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 59 76 84 114 118 133 177 228 236 266 269 354 399 413 532 538 708 798 807 826 1076 1121 1239 1596 1614 1652 1883 2242 2478 3228 3363 3766 4484 4956 5111 5649 6726 7532 7847 10222 11298 13452 15333 15694 15871 20444 22596 23541 30666 31388 31742 35777 47082 47613 61332 63484 71554 94164 95226 107331 111097 143108 190452 214662 222194 301549 333291 429324 444388 603098 666582 904647 1206196 1333164 1809294 2110843 3618588 4221686 6332529 8443372 12665058 25330116