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322111421 = 3143923669
BaseRepresentation
bin10011001100110…
…000011110111101
3211110002221210122
4103030300132331
51124430031141
651543544325
710660621232
oct2314603675
9743087718
10322111421
11155907095
128ba5b0a5
1351970298
1430acb789
151d42a64b
hex133307bd

322111421 has 8 divisors (see below), whose sum is σ = 333273600. Its totient is φ = 310997520.

The previous prime is 322111417. The next prime is 322111477. The reversal of 322111421 is 124111223.

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 322111421 - 22 = 322111417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322111421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322110421) 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, 1775 + ... + 25443.

It is an arithmetic number, because the mean of its divisors is an integer number (41659200).

Almost surely, 2322111421 is an apocalyptic number.

322111421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

322111421 is a deficient number, since it is larger than the sum of its proper divisors (11162179).

322111421 is a wasteful number, since it uses less digits than its factorization.

322111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139.

The product of its digits is 96, while the sum is 17.

The square root of 322111421 is about 17947.4628011872. The cubic root of 322111421 is about 685.4914483490.

Adding to 322111421 its reverse (124111223), we get a palindrome (446222644).

The spelling of 322111421 in words is "three hundred twenty-two million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 31 439 13609 23669 733739 10390691 322111421