Search a number
-
+
42790926 = 2319375359
BaseRepresentation
bin1010001100111…
…1000000001110
32222112000010010
42203033000032
541423302201
64125054050
71026500613
oct243170016
988460103
1042790926
1122177502
12123b7326
138b32c99
14597c50a
153b53bd6
hex28cf00e

42790926 has 16 divisors (see below), whose sum is σ = 90086400. Its totient is φ = 13512888.

The previous prime is 42790901. The next prime is 42790927. The reversal of 42790926 is 62909724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187566 + ... + 187793.

It is an arithmetic number, because the mean of its divisors is an integer number (5630400).

Almost surely, 242790926 is an apocalyptic number.

42790926 is an abundant number, since it is smaller than the sum of its proper divisors (47295474).

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

42790926 is a wasteful number, since it uses less digits than its factorization.

42790926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375383.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 42790926 is about 6541.4773560718. The cubic root of 42790926 is about 349.7710775135.

The spelling of 42790926 in words is "forty-two million, seven hundred ninety thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 19 38 57 114 375359 750718 1126077 2252154 7131821 14263642 21395463 42790926