Search a number
-
+
43047642 = 2311652237
BaseRepresentation
bin1010010000110…
…1101011011010
310000000001021010
42210031223122
542010011032
64134354350
71031620221
oct244155332
9100001233
1043047642
1122332370
12124bb9b6
138bc2aa1
145a07cb8
153ba4ccc
hex290dada

43047642 has 16 divisors (see below), whose sum is σ = 93922272. Its totient is φ = 13044720.

The previous prime is 43047619. The next prime is 43047643. The reversal of 43047642 is 24674034.

43047642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43047643) 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, 326053 + ... + 326184.

It is an arithmetic number, because the mean of its divisors is an integer number (5870142).

Almost surely, 243047642 is an apocalyptic number.

43047642 is an abundant number, since it is smaller than the sum of its proper divisors (50874630).

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

43047642 is a wasteful number, since it uses less digits than its factorization.

43047642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652253.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 43047642 is about 6561.0701870960. The cubic root of 43047642 is about 350.4691450200.

The spelling of 43047642 in words is "forty-three million, forty-seven thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 652237 1304474 1956711 3913422 7174607 14349214 21523821 43047642