Search a number
-
+
1422430 = 251031381
BaseRepresentation
bin101011011010001011110
32200021012121
411123101132
5331004210
650253154
715043012
oct5332136
92607177
101422430
11891769
125871ba
133aa599
14290542
151d16da
hex15b45e

1422430 has 16 divisors (see below), whose sum is σ = 2587104. Its totient is φ = 563040.

The previous prime is 1422419. The next prime is 1422433. The reversal of 1422430 is 342241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422433) 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, 340 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (161694).

21422430 is an apocalyptic number.

1422430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422430 is a deficient number, since it is larger than the sum of its proper divisors (1164674).

1422430 is a wasteful number, since it uses less digits than its factorization.

1422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1422430 is about 1192.6566983001. The cubic root of 1422430 is about 112.4631648954.

Adding to 1422430 its reverse (342241), we get a palindrome (1764671).

The spelling of 1422430 in words is "one million, four hundred twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 103 206 515 1030 1381 2762 6905 13810 142243 284486 711215 1422430