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302302421 = 3116016091
BaseRepresentation
bin10010000001001…
…100010011010101
3210001211112221222
4102001030103111
51104342134141
645555220125
710330346111
oct2201142325
9701745858
10302302421
11145707313
12852a7645
134a825a95
142c212741
151b81614b
hex1204c4d5

302302421 has 8 divisors (see below), whose sum is σ = 312300288. Its totient is φ = 292320000.

The previous prime is 302302391. The next prime is 302302463. The reversal of 302302421 is 124203203.

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 302302421 - 226 = 235193557 is a prime.

It is a super-2 number, since 2×3023024212 = 182773507484922482, which contains 22 as substring.

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 302302421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302802421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46586 + ... + 52676.

It is an arithmetic number, because the mean of its divisors is an integer number (39037536).

Almost surely, 2302302421 is an apocalyptic number.

302302421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

302302421 is a deficient number, since it is larger than the sum of its proper divisors (9997867).

302302421 is a wasteful number, since it uses less digits than its factorization.

302302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302302421 is about 17386.8462062560. The cubic root of 302302421 is about 671.1411613522.

Adding to 302302421 its reverse (124203203), we get a palindrome (426505624).

The spelling of 302302421 in words is "three hundred two million, three hundred two thousand, four hundred twenty-one".

Divisors: 1 31 1601 6091 49631 188821 9751691 302302421