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43413140 = 2252170657
BaseRepresentation
bin1010010110011…
…0111010010100
310000200121122002
42211212322110
542103210030
64150254432
71035001631
oct245467224
9100617562
1043413140
1122561a31
1212657418
138cc0264
145aa1188
153c28245
hex2966e94

43413140 has 12 divisors (see below), whose sum is σ = 91167636. Its totient is φ = 17365248.

The previous prime is 43413127. The next prime is 43413143. The reversal of 43413140 is 4131434.

It is a happy number.

43413140 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 2 ways, for example, as 21548164 + 21864976 = 4642^2 + 4676^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2170657 = 43413140 / (4 + 3 + 4 + 1 + 3 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43413143) 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 3 ways as a sum of consecutive naturals, for example, 1085309 + ... + 1085348.

It is an arithmetic number, because the mean of its divisors is an integer number (7597303).

Almost surely, 243413140 is an apocalyptic number.

It is an amenable number.

43413140 is an abundant number, since it is smaller than the sum of its proper divisors (47754496).

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

43413140 is a wasteful number, since it uses less digits than its factorization.

43413140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170666 (or 2170664 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43413140 is about 6588.8648491223. The cubic root of 43413140 is about 351.4582424611.

Adding to 43413140 its reverse (4131434), we get a palindrome (47544574).

The spelling of 43413140 in words is "forty-three million, four hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2170657 4341314 8682628 10853285 21706570 43413140