Search a number
-
+
422320430 = 25753671699
BaseRepresentation
bin11001001011000…
…001100100101110
31002102200002201102
4121023001210232
51331103223210
6105523443102
713315443620
oct3113014456
91072602642
10422320430
111a7430654
12b9526492
1369657c5c
1440134c10
1527121ea5
hex192c192e

422320430 has 64 divisors (see below), whose sum is σ = 898905600. Its totient is φ = 139860864.

The previous prime is 422320421. The next prime is 422320433. The reversal of 422320430 is 34023224.

422320430 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247721 + ... + 249419.

It is an arithmetic number, because the mean of its divisors is an integer number (14045400).

Almost surely, 2422320430 is an apocalyptic number.

422320430 is an abundant number, since it is smaller than the sum of its proper divisors (476585170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422320430 is a wasteful number, since it uses less digits than its factorization.

422320430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422320430 is about 20550.4362484109. The cubic root of 422320430 is about 750.2638656742.

Adding to 422320430 its reverse (34023224), we get a palindrome (456343654).

The spelling of 422320430 in words is "four hundred twenty-two million, three hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 53 67 70 106 134 265 335 371 469 530 670 742 938 1699 1855 2345 3398 3551 3710 4690 7102 8495 11893 16990 17755 23786 24857 35510 49714 59465 90047 113833 118930 124285 180094 227666 248570 450235 569165 630329 796831 900470 1138330 1260658 1593662 3151645 3984155 6033149 6303290 7968310 12066298 30165745 42232043 60331490 84464086 211160215 422320430