Search a number
-
+
42789529 = 296592239
BaseRepresentation
bin1010001100111…
…0101010011001
32222111221012101
42203032222121
541423231104
64125043401
71026463546
oct243165231
988457171
1042789529
1122176452
12123b6561
138b32463
14597bbcd
153b535a4
hex28cea99

42789529 has 8 divisors (see below), whose sum is σ = 44352000. Its totient is φ = 41232912.

The previous prime is 42789521. The next prime is 42789547. The reversal of 42789529 is 92598724.

42789529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42789529 - 23 = 42789521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42789521) 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 7 ways as a sum of consecutive naturals, for example, 17992 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (5544000).

Almost surely, 242789529 is an apocalyptic number.

It is an amenable number.

42789529 is a deficient number, since it is larger than the sum of its proper divisors (1562471).

42789529 is a wasteful number, since it uses less digits than its factorization.

42789529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

The product of its digits is 362880, while the sum is 46.

The square root of 42789529 is about 6541.3705750401. The cubic root of 42789529 is about 349.7672711340.

The spelling of 42789529 in words is "forty-two million, seven hundred eighty-nine thousand, five hundred twenty-nine".

Divisors: 1 29 659 2239 19111 64931 1475501 42789529