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40054625 = 53131572
BaseRepresentation
bin1001100011001…
…0111101100001
32210100222121122
42120302331201
540223222000
63550302025
7664313222
oct230627541
983328548
1040054625
11206786a6
12114b7915
1383b5680
145469249
1537b3085
hex2632f61

40054625 has 24 divisors (see below), whose sum is σ = 54178488. Its totient is φ = 29390400.

The previous prime is 40054621. The next prime is 40054633. The reversal of 40054625 is 52645004.

40054625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 38987536 + 1067089 = 6244^2 + 1033^2 .

It is not a de Polignac number, because 40054625 - 22 = 40054621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40054594 and 40054603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255047 + ... + 255203.

It is an arithmetic number, because the mean of its divisors is an integer number (2257437).

Almost surely, 240054625 is an apocalyptic number.

It is an amenable number.

40054625 is a deficient number, since it is larger than the sum of its proper divisors (14123863).

40054625 is an equidigital number, since it uses as much as digits as its factorization.

40054625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40054625 is about 6328.8723324144. The cubic root of 40054625 is about 342.1507975828.

Adding to 40054625 its reverse (52645004), we get a palindrome (92699629).

The spelling of 40054625 in words is "forty million, fifty-four thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 157 325 785 1625 2041 3925 10205 19625 24649 51025 123245 255125 320437 616225 1602185 3081125 8010925 40054625