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302213425 = 5212088537
BaseRepresentation
bin10010000000110…
…110100100110001
3210001200000212211
4102000312210301
51104331312200
645553252121
710326525463
oct2200664461
9701600784
10302213425
11145656468
1285264041
134a7c4417
142c1cc133
151b7e9aba
hex12036931

302213425 has 6 divisors (see below), whose sum is σ = 374744678. Its totient is φ = 241770720.

The previous prime is 302213423. The next prime is 302213441. The reversal of 302213425 is 524312203.

It can be written as a sum of positive squares in 3 ways, for example, as 22353984 + 279859441 = 4728^2 + 16729^2 .

It is not a de Polignac number, because 302213425 - 21 = 302213423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302213396 and 302213405.

It is not an unprimeable number, because it can be changed into a prime (302213423) 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 5 ways as a sum of consecutive naturals, for example, 6044244 + ... + 6044293.

Almost surely, 2302213425 is an apocalyptic number.

It is an amenable number.

302213425 is a deficient number, since it is larger than the sum of its proper divisors (72531253).

302213425 is a wasteful number, since it uses less digits than its factorization.

302213425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088547 (or 12088542 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 302213425 is about 17384.2867268117. The cubic root of 302213425 is about 671.0752949252.

Adding to 302213425 its reverse (524312203), we get a palindrome (826525628).

The spelling of 302213425 in words is "three hundred two million, two hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 12088537 60442685 302213425