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42902859 = 314300953
BaseRepresentation
bin1010001110101…
…0010101001011
32222201200122210
42203222111023
541440342414
64131320203
71030445136
oct243522513
988650583
1042902859
112224360a
1212450063
138b71c0c
1459ab21d
153b76e59
hex28ea54b

42902859 has 4 divisors (see below), whose sum is σ = 57203816. Its totient is φ = 28601904.

The previous prime is 42902837. The next prime is 42902887. The reversal of 42902859 is 95820924.

42902859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42902859 - 28 = 42902603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42902159) 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, 7150474 + ... + 7150479.

It is an arithmetic number, because the mean of its divisors is an integer number (14300954).

Almost surely, 242902859 is an apocalyptic number.

42902859 is a deficient number, since it is larger than the sum of its proper divisors (14300957).

42902859 is a wasteful number, since it uses less digits than its factorization.

42902859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14300956.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 42902859 is about 6550.0274045228. The cubic root of 42902859 is about 350.0757903896.

The spelling of 42902859 in words is "forty-two million, nine hundred two thousand, eight hundred fifty-nine".

Divisors: 1 3 14300953 42902859