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40125430 = 2535911177
BaseRepresentation
bin1001100100010…
…0001111110110
32210111120202001
42121010033312
540233003210
63552005514
7665026522
oct231041766
983446661
1040125430
1120716914
121153089a
13840b977
145486d82
1537c903a
hex26443f6

40125430 has 16 divisors (see below), whose sum is σ = 72433440. Its totient is φ = 16004032.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125430 is 3452104.

40125430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401254302 = 3220100265369800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125398 and 40125407.

It is a congruent number.

It is an unprimeable number.

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, 1999 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (4527090).

Almost surely, 240125430 is an apocalyptic number.

40125430 is a deficient number, since it is larger than the sum of its proper divisors (32308010).

40125430 is a wasteful number, since it uses less digits than its factorization.

40125430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40125430 is about 6334.4636710617. The cubic root of 40125430 is about 342.3522868105.

Adding to 40125430 its reverse (3452104), we get a palindrome (43577534).

The spelling of 40125430 in words is "forty million, one hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 359 718 1795 3590 11177 22354 55885 111770 4012543 8025086 20062715 40125430