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431414421 = 3617233071
BaseRepresentation
bin11001101101101…
…101110010010101
31010001210010022220
4121231231302111
51340420230141
6110450412553
713455650664
oct3155556225
91101703286
10431414421
11201582049
12100591159
136b4c0309
1441420ddb
1527d1b766
hex19b6dc95

431414421 has 8 divisors (see below), whose sum is σ = 576153984. Its totient is φ = 287142240.

The previous prime is 431414393. The next prime is 431414429. The reversal of 431414421 is 124414134.

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

It is not a de Polignac number, because 431414421 - 218 = 431152277 is a prime.

It is a super-2 number, since 2×4314144212 = 372236805293530482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431414391 and 431414400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431414429) 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, 114685 + ... + 118386.

It is an arithmetic number, because the mean of its divisors is an integer number (72019248).

Almost surely, 2431414421 is an apocalyptic number.

It is an amenable number.

431414421 is a deficient number, since it is larger than the sum of its proper divisors (144739563).

431414421 is a wasteful number, since it uses less digits than its factorization.

431414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233691.

The product of its digits is 1536, while the sum is 24.

The square root of 431414421 is about 20770.5180724988. The cubic root of 431414421 is about 755.6109091422.

Adding to 431414421 its reverse (124414134), we get a palindrome (555828555).

The spelling of 431414421 in words is "four hundred thirty-one million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 3 617 1851 233071 699213 143804807 431414421