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301031242 = 2150515621
BaseRepresentation
bin10001111100010…
…101111101001010
3202222102222020021
4101330111331022
51104030444432
645512051054
710313503051
oct2174257512
9688388207
10301031242
11144a19256
1284993a8a
134a49c2c5
142bda1398
151b664697
hex11f15f4a

301031242 has 4 divisors (see below), whose sum is σ = 451546866. Its totient is φ = 150515620.

The previous prime is 301031221. The next prime is 301031243. The reversal of 301031242 is 242130103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 171321921 + 129709321 = 13089^2 + 11389^2 .

It is not an unprimeable number, because it can be changed into a prime (301031243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75257809 + ... + 75257812.

Almost surely, 2301031242 is an apocalyptic number.

301031242 is a deficient number, since it is larger than the sum of its proper divisors (150515624).

301031242 is a wasteful number, since it uses less digits than its factorization.

301031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150515623.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 301031242 is about 17350.2519290067. The cubic root of 301031242 is about 670.1991254872.

Adding to 301031242 its reverse (242130103), we get a palindrome (543161345).

The spelling of 301031242 in words is "three hundred one million, thirty-one thousand, two hundred forty-two".

Divisors: 1 2 150515621 301031242