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2304221421 = 37310521559
BaseRepresentation
bin1000100101010111…
…1010000011101101
312221120210120120010
42021111322003231
514204340041141
61020351243433
7111046362465
oct21125720355
95846716503
102304221421
11a82744727
12543819579
132a94c2738
1417c04aba5
15d7457416
hex8957a0ed

2304221421 has 8 divisors (see below), whose sum is σ = 3114381760. Its totient is φ = 1515104352.

The previous prime is 2304221407. The next prime is 2304221461. The reversal of 2304221421 is 1241224032.

2304221421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2304221421 - 29 = 2304220909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304221461) 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, 5260561 + ... + 5260998.

It is an arithmetic number, because the mean of its divisors is an integer number (389297720).

Almost surely, 22304221421 is an apocalyptic number.

It is an amenable number.

2304221421 is a deficient number, since it is larger than the sum of its proper divisors (810160339).

2304221421 is a wasteful number, since it uses less digits than its factorization.

2304221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521635.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2304221421 is about 48002.3064133381. The cubic root of 2304221421 is about 1320.8132081582.

Adding to 2304221421 its reverse (1241224032), we get a palindrome (3545445453).

The spelling of 2304221421 in words is "two billion, three hundred four million, two hundred twenty-one thousand, four hundred twenty-one".

Divisors: 1 3 73 219 10521559 31564677 768073807 2304221421