Search a number
-
+
1421123230 = 25142112323
BaseRepresentation
bin101010010110100…
…1001111010011110
310200001002112120201
41110231021322132
510402301420410
6353003334114
750134230262
oct12455117236
93601075521
101421123230
1166a206a0a
12337b2133a
13198566227
14d6a500a2
1584b6883a
hex54b49e9e

1421123230 has 8 divisors (see below), whose sum is σ = 2558021832. Its totient is φ = 568449288.

The previous prime is 1421123219. The next prime is 1421123233. The reversal of 1421123230 is 323211241.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1421123198 and 1421123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421123233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71056152 + ... + 71056171.

It is an arithmetic number, because the mean of its divisors is an integer number (319752729).

Almost surely, 21421123230 is an apocalyptic number.

1421123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421123230 is a deficient number, since it is larger than the sum of its proper divisors (1136898602).

1421123230 is a wasteful number, since it uses less digits than its factorization.

1421123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142112330.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1421123230 is about 37697.7881314010. The cubic root of 1421123230 is about 1124.2871480703.

Adding to 1421123230 its reverse (323211241), we get a palindrome (1744334471).

The spelling of 1421123230 in words is "one billion, four hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 142112323 284224646 710561615 1421123230