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23060825 = 521019133
BaseRepresentation
bin101011111111…
…0000101011001
31121101121111122
41113332011121
521400421300
62142135025
7400004504
oct127760531
947347448
1023060825
1112020a37
127881475
134a15678
1430c413b
152057c85
hex15fe159

23060825 has 12 divisors (see below), whose sum is σ = 28881708. Its totient is φ = 18264000.

The previous prime is 23060809. The next prime is 23060831. The reversal of 23060825 is 52806032.

It can be written as a sum of positive squares in 6 ways, for example, as 2166784 + 20894041 = 1472^2 + 4571^2 .

It is not a de Polignac number, because 23060825 - 24 = 23060809 is a prime.

It is a super-3 number, since 3×230608253 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23060794 and 23060803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2042 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (2406809).

Almost surely, 223060825 is an apocalyptic number.

23060825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23060825 is a deficient number, since it is larger than the sum of its proper divisors (5820883).

23060825 is a wasteful number, since it uses less digits than its factorization.

23060825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244 (or 9239 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23060825 is about 4802.1687808739. The cubic root of 23060825 is about 284.6371703745.

Adding to 23060825 its reverse (52806032), we get a palindrome (75866857).

The spelling of 23060825 in words is "twenty-three million, sixty thousand, eight hundred twenty-five".

Divisors: 1 5 25 101 505 2525 9133 45665 228325 922433 4612165 23060825