Search a number
-
+
42893886 = 2371021283
BaseRepresentation
bin1010001110100…
…0001000111110
32222201020100110
42203220020332
541440101021
64131210450
71030410030
oct243501076
988636313
1042893886
11222378a2
1212446a26
138b6aac9
1459a7c50
153b74476
hex28e823e

42893886 has 16 divisors (see below), whose sum is σ = 98043264. Its totient is φ = 12255384.

The previous prime is 42893867. The next prime is 42893897. The reversal of 42893886 is 68839824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510600 + ... + 510683.

It is an arithmetic number, because the mean of its divisors is an integer number (6127704).

Almost surely, 242893886 is an apocalyptic number.

42893886 is an abundant number, since it is smaller than the sum of its proper divisors (55149378).

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

42893886 is a wasteful number, since it uses less digits than its factorization.

42893886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021295.

The product of its digits is 663552, while the sum is 48.

The square root of 42893886 is about 6549.3424097386. The cubic root of 42893886 is about 350.0513829324.

The spelling of 42893886 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 1021283 2042566 3063849 6127698 7148981 14297962 21446943 42893886