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302411421 = 3313861571
BaseRepresentation
bin10010000001100…
…110111010011101
3210002001002111000
4102001212322131
51104404131141
650001420513
710331311644
oct2201467235
9702032430
10302411421
111457811a4
128533a739
134a863590
142c24035b
151b8385b6
hex12066e9d

302411421 has 16 divisors (see below), whose sum is σ = 482480320. Its totient is φ = 186099120.

The previous prime is 302411411. The next prime is 302411423. The reversal of 302411421 is 124114203.

302411421 is a `hidden beast` number, since 3 + 0 + 241 + 1 + 421 = 666.

It is not a de Polignac number, because 302411421 - 215 = 302378653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302411394 and 302411403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302411423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430435 + ... + 431136.

It is an arithmetic number, because the mean of its divisors is an integer number (30155020).

Almost surely, 2302411421 is an apocalyptic number.

It is an amenable number.

302411421 is a deficient number, since it is larger than the sum of its proper divisors (180068899).

302411421 is a wasteful number, since it uses less digits than its factorization.

302411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861593 (or 861587 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 302411421 is about 17389.9804772748. The cubic root of 302411421 is about 671.2218152393.

Adding to 302411421 its reverse (124114203), we get a palindrome (426525624).

The spelling of 302411421 in words is "three hundred two million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 9 13 27 39 117 351 861571 2584713 7754139 11200423 23262417 33601269 100803807 302411421