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302420712 = 233111145533
BaseRepresentation
bin10010000001101…
…001001011101000
3210002001120020010
4102001221023220
51104404430322
650001531520
710331351016
oct2201511350
9702046203
10302420712
11145788180
1285343ba0
134a867889
142c2438b6
151b83b20c
hex120692e8

302420712 has 32 divisors (see below), whose sum is σ = 824784480. Its totient is φ = 91642560.

The previous prime is 302420711. The next prime is 302420759. The reversal of 302420712 is 217024203.

It is not an unprimeable number, because it can be changed into a prime (302420711) 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, 572503 + ... + 573030.

It is an arithmetic number, because the mean of its divisors is an integer number (25774515).

Almost surely, 2302420712 is an apocalyptic number.

It is an amenable number.

302420712 is an abundant number, since it is smaller than the sum of its proper divisors (522363768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302420712 is a wasteful number, since it uses less digits than its factorization.

302420712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145553 (or 1145549 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 302420712 is about 17390.2476118082. The cubic root of 302420712 is about 671.2286891618.

Adding to 302420712 its reverse (217024203), we get a palindrome (519444915).

The spelling of 302420712 in words is "three hundred two million, four hundred twenty thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1145533 2291066 3436599 4582132 6873198 9164264 12600863 13746396 25201726 27492792 37802589 50403452 75605178 100806904 151210356 302420712