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430111221 = 31327108041
BaseRepresentation
bin11001101000101…
…111100111110101
31002222022220200020
4121220233213311
51340102024341
6110402435353
713441612401
oct3150574765
91088286606
10430111221
11200871a21
12100062b59
136b1550a7
14411a2101
1527b60566
hex19a2f9f5

430111221 has 8 divisors (see below), whose sum is σ = 573919104. Its totient is φ = 286522080.

The previous prime is 430111193. The next prime is 430111223. The reversal of 430111221 is 122111034.

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

It is not a de Polignac number, because 430111221 - 222 = 425916917 is a prime.

It is a super-2 number, since 2×4301112212 = 369991324860221682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 430111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430111223) 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, 50040 + ... + 58001.

It is an arithmetic number, because the mean of its divisors is an integer number (71739888).

Almost surely, 2430111221 is an apocalyptic number.

It is an amenable number.

430111221 is a deficient number, since it is larger than the sum of its proper divisors (143807883).

430111221 is a wasteful number, since it uses less digits than its factorization.

430111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109371.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 430111221 is about 20739.1229563837. The cubic root of 430111221 is about 754.8493016770.

Adding to 430111221 its reverse (122111034), we get a palindrome (552222255).

The spelling of 430111221 in words is "four hundred thirty million, one hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 1327 3981 108041 324123 143370407 430111221