Search a number
-
+
42806007 = 325578539
BaseRepresentation
bin1010001101001…
…0101011110111
32222112202210200
42203102223313
541424243012
64125251543
71026562566
oct243225367
988482720
1042806007
1122187872
1212403bb3
138b39aca
145983bdd
153b583dc
hex28d2af7

42806007 has 12 divisors (see below), whose sum is σ = 61949160. Its totient is φ = 28482768.

The previous prime is 42805999. The next prime is 42806041. The reversal of 42806007 is 70060824.

It is not a de Polignac number, because 42806007 - 23 = 42805999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42806047) 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, 744 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (5162430).

Almost surely, 242806007 is an apocalyptic number.

42806007 is a deficient number, since it is larger than the sum of its proper divisors (19143153).

42806007 is a wasteful number, since it uses less digits than its factorization.

42806007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102 (or 9099 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42806007 is about 6542.6299757819. The cubic root of 42806007 is about 349.8121631560.

The spelling of 42806007 in words is "forty-two million, eight hundred six thousand, seven".

Divisors: 1 3 9 557 1671 5013 8539 25617 76851 4756223 14268669 42806007