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25055056 = 2413163739
BaseRepresentation
bin101111110010…
…0111101010000
31202010221002001
41133210331100
522403230211
62253003344
7422651545
oct137447520
952127061
1025055056
1113163264
128483554
1352632a0
143482bcc
1522edac1
hex17e4f50

25055056 has 40 divisors (see below), whose sum is σ = 52670240. Its totient is φ = 11477376.

The previous prime is 25055033. The next prime is 25055077. The reversal of 25055056 is 65055052.

It is a congruent number.

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, 33535 + ... + 34273.

It is an arithmetic number, because the mean of its divisors is an integer number (1316756).

Almost surely, 225055056 is an apocalyptic number.

25055056 is a gapful number since it is divisible by the number (26) 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 25055056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26335120).

25055056 is an abundant number, since it is smaller than the sum of its proper divisors (27615184).

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

25055056 is a wasteful number, since it uses less digits than its factorization.

25055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 25055056 is about 5005.5025721700. The cubic root of 25055056 is about 292.6162627404.

The spelling of 25055056 in words is "twenty-five million, fifty-five thousand, fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 163 208 326 652 739 1304 1478 2119 2608 2956 4238 5912 8476 9607 11824 16952 19214 33904 38428 76856 120457 153712 240914 481828 963656 1565941 1927312 3131882 6263764 12527528 25055056