Search a number
-
+
42037717 = 793371579
BaseRepresentation
bin1010000001011…
…1000111010101
32221002201220111
42200113013111
541230201332
64101003021
71020212641
oct240270725
987081814
1042037717
1121802617
12120b3471
13892b1b7
145823c21
153a55947
hex28171d5

42037717 has 8 divisors (see below), whose sum is σ = 42723200. Its totient is φ = 41356224.

The previous prime is 42037691. The next prime is 42037727. The reversal of 42037717 is 71773024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42037717 is a prime.

It is a super-3 number, since 3×420377173 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42037727) 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, 25834 + ... + 27412.

It is an arithmetic number, because the mean of its divisors is an integer number (5340400).

Almost surely, 242037717 is an apocalyptic number.

It is an amenable number.

42037717 is a deficient number, since it is larger than the sum of its proper divisors (685483).

42037717 is a wasteful number, since it uses less digits than its factorization.

42037717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 42037717 is about 6483.6499751297. The cubic root of 42037717 is about 347.7066851802.

The spelling of 42037717 in words is "forty-two million, thirty-seven thousand, seven hundred seventeen".

Divisors: 1 79 337 1579 26623 124741 532123 42037717