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11525020 = 22513192333
BaseRepresentation
bin101011111101…
…101110011100
3210200112100121
4223331232130
510422300040
61051004324
7166650433
oct53755634
923615317
1011525020
116561a11
123a396a4
132506a50
14176011a
151029c4a
hexafdb9c

11525020 has 48 divisors (see below), whose sum is σ = 27447840. Its totient is φ = 4029696.

The previous prime is 11524999. The next prime is 11525023. The reversal of 11525020 is 2052511.

It is a junction number, because it is equal to n+sod(n) for n = 11524985 and 11525003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3774 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (571830).

Almost surely, 211525020 is an apocalyptic number.

11525020 is a gapful number since it is divisible by the number (10) 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 11525020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13723920).

11525020 is an abundant number, since it is smaller than the sum of its proper divisors (15922820).

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

11525020 is a wasteful number, since it uses less digits than its factorization.

11525020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11525020 is about 3394.8519849914. The cubic root of 11525020 is about 225.8814477290.

Adding to 11525020 its reverse (2052511), we get a palindrome (13577531).

The spelling of 11525020 in words is "eleven million, five hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2333 2470 4666 4940 9332 11665 23330 30329 44327 46660 60658 88654 121316 151645 177308 221635 303290 443270 576251 606580 886540 1152502 2305004 2881255 5762510 11525020