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304101421 = 1347497711
BaseRepresentation
bin10010001000000…
…011100000101101
3210012012221201121
4102020003200231
51110322221141
650101540541
710351551031
oct2210034055
9705187647
10304101421
11146725998
1285a14751
134b005890
142c5601c1
151ba6e1d1
hex1220382d

304101421 has 8 divisors (see below), whose sum is σ = 334462464. Its totient is φ = 274735920.

The previous prime is 304101397. The next prime is 304101437. The reversal of 304101421 is 124101403.

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 304101421 - 211 = 304099373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304101395 and 304101404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304101451) 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, 248245 + ... + 249466.

It is an arithmetic number, because the mean of its divisors is an integer number (41807808).

Almost surely, 2304101421 is an apocalyptic number.

It is an amenable number.

304101421 is a deficient number, since it is larger than the sum of its proper divisors (30361043).

304101421 is a wasteful number, since it uses less digits than its factorization.

304101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497771.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 304101421 is about 17438.5039782660. The cubic root of 304101421 is about 672.4698482449.

Adding to 304101421 its reverse (124101403), we get a palindrome (428202824).

The spelling of 304101421 in words is "three hundred four million, one hundred one thousand, four hundred twenty-one".

Divisors: 1 13 47 611 497711 6470243 23392417 304101421