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421319213 = 782373133
BaseRepresentation
bin11001000111001…
…101001000101101
31002100210020022022
4121013031020231
51330324203323
6105450155525
713304103620
oct3107151055
91070706268
10421319213
111a69073a7
12b9122ba5
1369397313
143dd53db7
1526ec54c8
hex191cd22d

421319213 has 8 divisors (see below), whose sum is σ = 482099328. Its totient is φ = 360687024.

The previous prime is 421319201. The next prime is 421319219. The reversal of 421319213 is 312913124.

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 421319213 - 26 = 421319149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421319219) 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, 30806 + ... + 42327.

It is an arithmetic number, because the mean of its divisors is an integer number (60262416).

Almost surely, 2421319213 is an apocalyptic number.

It is an amenable number.

421319213 is a deficient number, since it is larger than the sum of its proper divisors (60780115).

421319213 is an equidigital number, since it uses as much as digits as its factorization.

421319213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73963.

The product of its digits is 1296, while the sum is 26.

The square root of 421319213 is about 20526.0617995757. The cubic root of 421319213 is about 749.6705000016.

The spelling of 421319213 in words is "four hundred twenty-one million, three hundred nineteen thousand, two hundred thirteen".

Divisors: 1 7 823 5761 73133 511931 60188459 421319213