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42902442 = 23211216679
BaseRepresentation
bin1010001110101…
…0001110101010
32222201200002100
42203222032222
541440334232
64131314230
71030444002
oct243521652
988650070
1042902442
1122243270
121244b976
138b7197b
1459ab002
153b76c7c
hex28ea3aa

42902442 has 24 divisors (see below), whose sum is σ = 101406240. Its totient is φ = 13000680.

The previous prime is 42902423. The next prime is 42902449. The reversal of 42902442 is 24420924.

42902442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42902449) 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 11 ways as a sum of consecutive naturals, for example, 108142 + ... + 108537.

It is an arithmetic number, because the mean of its divisors is an integer number (4225260).

Almost surely, 242902442 is an apocalyptic number.

42902442 is an abundant number, since it is smaller than the sum of its proper divisors (58503798).

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

42902442 is a wasteful number, since it uses less digits than its factorization.

42902442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216698 (or 216695 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42902442 is about 6549.9955725176. The cubic root of 42902442 is about 350.0746561833.

The spelling of 42902442 in words is "forty-two million, nine hundred two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 216679 433358 650037 1300074 1950111 2383469 3900222 4766938 7150407 14300814 21451221 42902442