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430130431 = 7916333403
BaseRepresentation
bin11001101000110…
…100010011111111
31002222100220000201
4121220310103333
51340103133211
6110403104331
713442022403
oct3150642377
91088326021
10430130431
112008853a5
121000720a7
136b160a63
14411a9103
1527b660c1
hex19a344ff

430130431 has 8 divisors (see below), whose sum is σ = 438260480. Its totient is φ = 422067672.

The previous prime is 430130411. The next prime is 430130479. The reversal of 430130431 is 134031034.

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 430130431 - 219 = 429606143 is a prime.

It is a super-2 number, since 2×4301304312 = 370024375344491522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 430130399 and 430130408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430130411) 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 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 29578.

It is an arithmetic number, because the mean of its divisors is an integer number (54782560).

Almost surely, 2430130431 is an apocalyptic number.

430130431 is a deficient number, since it is larger than the sum of its proper divisors (8130049).

430130431 is a wasteful number, since it uses less digits than its factorization.

430130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 430130431 is about 20739.5860855515. The cubic root of 430130431 is about 754.8605394209.

Adding to 430130431 its reverse (134031034), we get a palindrome (564161465).

The spelling of 430130431 in words is "four hundred thirty million, one hundred thirty thousand, four hundred thirty-one".

Divisors: 1 79 163 12877 33403 2638837 5444689 430130431