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42890852 = 2217361981
BaseRepresentation
bin1010001110011…
…1011001100100
32222201002012002
42203213121210
541440001402
64131144432
71030365134
oct243473144
988632162
1042890852
1122235594
1212445118
138b69604
1459a6ac4
153b73602
hex28e7664

42890852 has 12 divisors (see below), whose sum is σ = 75494076. Its totient is φ = 21321120.

The previous prime is 42890849. The next prime is 42890857. The reversal of 42890852 is 25809824.

42890852 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 32993536 + 9897316 = 5744^2 + 3146^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42890857) 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, 30299 + ... + 31682.

It is an arithmetic number, because the mean of its divisors is an integer number (6291173).

Almost surely, 242890852 is an apocalyptic number.

It is an amenable number.

42890852 is a deficient number, since it is larger than the sum of its proper divisors (32603224).

42890852 is a wasteful number, since it uses less digits than its factorization.

42890852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62158 (or 62156 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 42890852 is about 6549.1107793349. The cubic root of 42890852 is about 350.0431293790.

The spelling of 42890852 in words is "forty-two million, eight hundred ninety thousand, eight hundred fifty-two".

Divisors: 1 2 4 173 346 692 61981 123962 247924 10722713 21445426 42890852