Search a number
-
+
42087683 = 115097517
BaseRepresentation
bin1010000010001…
…1010100000011
32221012021110002
42200203110003
541233301213
64102030215
71020511421
oct240432403
987167402
1042087683
1121837110
121211836b
138947b71
145838111
153a65658
hex2823503

42087683 has 8 divisors (see below), whose sum is σ = 46010160. Its totient is φ = 38181280.

The previous prime is 42087653. The next prime is 42087697. The reversal of 42087683 is 38678024.

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 42087683 - 214 = 42071299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42087623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (5751270).

Almost surely, 242087683 is an apocalyptic number.

42087683 is a deficient number, since it is larger than the sum of its proper divisors (3922477).

42087683 is a wasteful number, since it uses less digits than its factorization.

42087683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42087683 is about 6487.5020616567. The cubic root of 42087683 is about 347.8443919400.

The spelling of 42087683 in words is "forty-two million, eighty-seven thousand, six hundred eighty-three".

Divisors: 1 11 509 5599 7517 82687 3826153 42087683