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42888858 = 2317420479
BaseRepresentation
bin1010001110011…
…0111010011010
32222200222110020
42203212322122
541434420413
64131131310
71030356255
oct243467232
988628406
1042888858
1122234041
1212443b36
138b6872c
1459a609c
153b72c23
hex28e6e9a

42888858 has 16 divisors (see below), whose sum is σ = 90823680. Its totient is φ = 13455296.

The previous prime is 42888851. The next prime is 42888869. The reversal of 42888858 is 85888824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 42888858.

It is not an unprimeable number, because it can be changed into a prime (42888851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210138 + ... + 210341.

It is an arithmetic number, because the mean of its divisors is an integer number (5676480).

Almost surely, 242888858 is an apocalyptic number.

42888858 is an abundant number, since it is smaller than the sum of its proper divisors (47934822).

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

42888858 is a wasteful number, since it uses less digits than its factorization.

42888858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420501.

The product of its digits is 1310720, while the sum is 51.

The square root of 42888858 is about 6548.9585431578. The cubic root of 42888858 is about 350.0377047815.

The spelling of 42888858 in words is "forty-two million, eight hundred eighty-eight thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 17 34 51 102 420479 840958 1261437 2522874 7148143 14296286 21444429 42888858