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42888837 = 314296279
BaseRepresentation
bin1010001110011…
…0111010000101
32222200222102110
42203212322011
541434420322
64131131233
71030356225
oct243467205
988628373
1042888837
1122234022
1212443b19
138b68714
1459a6085
153b72c0c
hex28e6e85

42888837 has 4 divisors (see below), whose sum is σ = 57185120. Its totient is φ = 28592556.

The previous prime is 42888817. The next prime is 42888847. The reversal of 42888837 is 73888824.

42888837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42888837 - 212 = 42884741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42888817) 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 3 ways as a sum of consecutive naturals, for example, 7148137 + ... + 7148142.

It is an arithmetic number, because the mean of its divisors is an integer number (14296280).

Almost surely, 242888837 is an apocalyptic number.

It is an amenable number.

42888837 is a deficient number, since it is larger than the sum of its proper divisors (14296283).

42888837 is a wasteful number, since it uses less digits than its factorization.

42888837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296282.

The product of its digits is 688128, while the sum is 48.

The square root of 42888837 is about 6548.9569398493. The cubic root of 42888837 is about 350.0376476510.

The spelling of 42888837 in words is "forty-two million, eight hundred eighty-eight thousand, eight hundred thirty-seven".

Divisors: 1 3 14296279 42888837