Search a number
-
+
445242135 = 35135367643
BaseRepresentation
bin11010100010011…
…101101100010111
31011000210122101110
4122202131230113
51402440222020
6112103030103
714014332012
oct3242355427
91130718343
10445242135
11209367008
1210513b333
13713221b0
14431c0379
152914d8e0
hex1a89db17

445242135 has 64 divisors (see below), whose sum is σ = 794562048. Its totient is φ = 211521024.

The previous prime is 445242107. The next prime is 445242163. The reversal of 445242135 is 531242544.

It is an interprime number because it is at equal distance from previous prime (445242107) and next prime (445242163).

It is not a de Polignac number, because 445242135 - 26 = 445242071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 692124 + ... + 692766.

It is an arithmetic number, because the mean of its divisors is an integer number (12415032).

Almost surely, 2445242135 is an apocalyptic number.

445242135 is a deficient number, since it is larger than the sum of its proper divisors (349319913).

445242135 is a wasteful number, since it uses less digits than its factorization.

445242135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its digits is 19200, while the sum is 30.

The square root of 445242135 is about 21100.7614791505. The cubic root of 445242135 is about 763.5991193635.

Adding to 445242135 its reverse (531242544), we get a palindrome (976484679).

The spelling of 445242135 in words is "four hundred forty-five million, two hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 3 5 13 15 39 53 65 67 159 195 201 265 335 643 689 795 871 1005 1929 2067 2613 3215 3445 3551 4355 8359 9645 10335 10653 13065 17755 25077 34079 41795 43081 46163 53265 102237 125385 129243 138489 170395 215405 230815 443027 511185 560053 646215 692445 1329081 1680159 2215135 2283293 2800265 6645405 6849879 8400795 11416465 29682809 34249395 89048427 148414045 445242135