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40531204 = 2271447543
BaseRepresentation
bin1001101010011…
…1010100000100
32211021012100201
42122213110010
540333444304
64004420244
71001336530
oct232472404
984235321
1040531204
112097376a
12116a7684
13852157c
145550bc0
1538593a4
hex26a7504

40531204 has 12 divisors (see below), whose sum is σ = 81062464. Its totient is φ = 17370504.

The previous prime is 40531189. The next prime is 40531207. The reversal of 40531204 is 40213504.

40531204 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40531207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723744 + ... + 723799.

Almost surely, 240531204 is an apocalyptic number.

It is an amenable number.

40531204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40531204 is a wasteful number, since it uses less digits than its factorization.

40531204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447554 (or 1447552 counting only the distinct ones).

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

The square root of 40531204 is about 6366.4121764146. The cubic root of 40531204 is about 343.5024468241.

Adding to 40531204 its reverse (40213504), we get a palindrome (80744708).

The spelling of 40531204 in words is "forty million, five hundred thirty-one thousand, two hundred four".

Divisors: 1 2 4 7 14 28 1447543 2895086 5790172 10132801 20265602 40531204