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43042086 = 2322391227
BaseRepresentation
bin1010010000110…
…0010100100110
32222222202122100
42210030110212
542004321321
64134312530
71031565063
oct244142446
988882570
1043042086
112232917a
12124b8746
138bc03b9
145a05c6a
153ba3326
hex290c526

43042086 has 12 divisors (see below), whose sum is σ = 93257892. Its totient is φ = 14347356.

The previous prime is 43042081. The next prime is 43042133. The reversal of 43042086 is 68024034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1195596 + ... + 1195631.

It is an arithmetic number, because the mean of its divisors is an integer number (7771491).

Almost surely, 243042086 is an apocalyptic number.

43042086 is an abundant number, since it is smaller than the sum of its proper divisors (50215806).

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

43042086 is a wasteful number, since it uses less digits than its factorization.

43042086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391235 (or 2391232 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 43042086 is about 6560.6467668973. The cubic root of 43042086 is about 350.4540664523.

The spelling of 43042086 in words is "forty-three million, forty-two thousand, eighty-six".

Divisors: 1 2 3 6 9 18 2391227 4782454 7173681 14347362 21521043 43042086