Search a number
-
+
42883869 = 372291727
BaseRepresentation
bin1010001110010…
…1101100011101
32222200201121110
42203211230131
541434240434
64131052233
71030335600
oct243455435
988621543
1042883869
1122230316
1212441079
138b66392
1459a4337
153b714e9
hex28e5b1d

42883869 has 12 divisors (see below), whose sum is σ = 66513984. Its totient is φ = 24504984.

The previous prime is 42883829. The next prime is 42883873. The reversal of 42883869 is 96838824.

It is a happy number.

It is not a de Polignac number, because 42883869 - 212 = 42879773 is a prime.

It is a super-2 number, since 2×428838692 = 3678052440818322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42883829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145717 + ... + 146010.

It is an arithmetic number, because the mean of its divisors is an integer number (5542832).

Almost surely, 242883869 is an apocalyptic number.

42883869 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42883869 is a deficient number, since it is larger than the sum of its proper divisors (23630115).

42883869 is a wasteful number, since it uses less digits than its factorization.

42883869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291744 (or 291737 counting only the distinct ones).

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

The square root of 42883869 is about 6548.5776318220. The cubic root of 42883869 is about 350.0241316695.

The spelling of 42883869 in words is "forty-two million, eight hundred eighty-three thousand, eight hundred sixty-nine".

Divisors: 1 3 7 21 49 147 291727 875181 2042089 6126267 14294623 42883869