Search a number
-
+
42210717 = 373192743
BaseRepresentation
bin1010000100000…
…1010110011101
32221102112012220
42201001112131
541301220332
64104415553
71021533213
oct241012635
987375186
1042210717
112191059a
12121775b9
13898bb73
14586acb3
153a8bd2c
hex284159d

42210717 has 8 divisors (see below), whose sum is σ = 57052224. Its totient is φ = 27754848.

The previous prime is 42210713. The next prime is 42210731. The reversal of 42210717 is 71701224.

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

It is not a de Polignac number, because 42210717 - 22 = 42210713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96153 + ... + 96590.

It is an arithmetic number, because the mean of its divisors is an integer number (7131528).

Almost surely, 242210717 is an apocalyptic number.

It is an amenable number.

42210717 is a deficient number, since it is larger than the sum of its proper divisors (14841507).

42210717 is a wasteful number, since it uses less digits than its factorization.

42210717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192819.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 42210717 is about 6496.9775280510. The cubic root of 42210717 is about 348.1830108205.

The spelling of 42210717 in words is "forty-two million, two hundred ten thousand, seven hundred seventeen".

Divisors: 1 3 73 219 192743 578229 14070239 42210717