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25505896 = 23132310663
BaseRepresentation
bin110000101001…
…1000001101000
31202222211111211
41201103001220
523012142041
62310402504
7426540133
oct141230150
952884454
1025505896
1113440a59
128660434
135390560
14355d21a
15238c481
hex1853068

25505896 has 32 divisors (see below), whose sum is σ = 53746560. Its totient is φ = 11259072.

The previous prime is 25505849. The next prime is 25505903. The reversal of 25505896 is 69850552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2940 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (1679580).

Almost surely, 225505896 is an apocalyptic number.

25505896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25505896 is an abundant number, since it is smaller than the sum of its proper divisors (28240664).

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

25505896 is a wasteful number, since it uses less digits than its factorization.

25505896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705 (or 10701 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 25505896 is about 5050.3362264309. The cubic root of 25505896 is about 294.3609493040.

The spelling of 25505896 in words is "twenty-five million, five hundred five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 10663 21326 42652 85304 138619 245249 277238 490498 554476 980996 1108952 1961992 3188237 6376474 12752948 25505896