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40052125 = 53320417
BaseRepresentation
bin1001100011001…
…0010110011101
32210100212012001
42120302112131
540223132000
63550242301
7664303021
oct230622635
983325161
1040052125
1120676833
12114b6391
1383b44a9
145468381
1537b246a
hex263259d

40052125 has 8 divisors (see below), whose sum is σ = 49985208. Its totient is φ = 32041600.

The previous prime is 40052123. The next prime is 40052137. The reversal of 40052125 is 52125004.

40052125 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 4 ways, for example, as 9603801 + 30448324 = 3099^2 + 5518^2 .

It is not a de Polignac number, because 40052125 - 21 = 40052123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052123) 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 7 ways as a sum of consecutive naturals, for example, 160084 + ... + 160333.

It is an arithmetic number, because the mean of its divisors is an integer number (6248151).

Almost surely, 240052125 is an apocalyptic number.

It is an amenable number.

40052125 is a deficient number, since it is larger than the sum of its proper divisors (9933083).

40052125 is an equidigital number, since it uses as much as digits as its factorization.

40052125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320432 (or 320422 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40052125 is about 6328.6748217933. The cubic root of 40052125 is about 342.1436790142.

Adding to 40052125 its reverse (52125004), we get a palindrome (92177129).

It can be divided in two parts, 400 and 52125, that added together give a palindrome (52525).

The spelling of 40052125 in words is "forty million, fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 320417 1602085 8010425 40052125