Search a number
-
+
430232421 = 3359399473
BaseRepresentation
bin11001101001001…
…101001101100101
31002222120001221010
4121221031031211
51340114414141
6110405212433
713442625633
oct3151151545
91088501833
10430232421
11200944a93
12100101119
136b1982c8
14411d4353
1527b86416
hex19a4d365

430232421 has 8 divisors (see below), whose sum is σ = 575242560. Its totient is φ = 286021952.

The previous prime is 430232401. The next prime is 430232423. The reversal of 430232421 is 124232034.

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

It is a cyclic number.

It is not a de Polignac number, because 430232421 - 26 = 430232357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430232423) 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, 198660 + ... + 200813.

It is an arithmetic number, because the mean of its divisors is an integer number (71905320).

Almost surely, 2430232421 is an apocalyptic number.

It is an amenable number.

430232421 is a deficient number, since it is larger than the sum of its proper divisors (145010139).

430232421 is a wasteful number, since it uses less digits than its factorization.

430232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399835.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 430232421 is about 20742.0447641982. The cubic root of 430232421 is about 754.9201974042.

Adding to 430232421 its reverse (124232034), we get a palindrome (554464455).

The spelling of 430232421 in words is "four hundred thirty million, two hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 359 1077 399473 1198419 143410807 430232421