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302122013 = 2334432927
BaseRepresentation
bin10010000000100…
…000010000011101
3210001111101111012
4102000200100131
51104320401023
645551305005
710325665124
oct2200402035
9701441435
10302122013
111455a3816
128521b165
134a79192b
142c1a6abb
151b7cc978
hex1202041d

302122013 has 8 divisors (see below), whose sum is σ = 304207488. Its totient is φ = 300043744.

The previous prime is 302121979. The next prime is 302122019. The reversal of 302122013 is 310221203.

It is a happy number.

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 302122013 - 224 = 285344797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101756 + ... + 104682.

It is an arithmetic number, because the mean of its divisors is an integer number (38025936).

Almost surely, 2302122013 is an apocalyptic number.

It is an amenable number.

302122013 is a deficient number, since it is larger than the sum of its proper divisors (2085475).

302122013 is a wasteful number, since it uses less digits than its factorization.

302122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 302122013 is about 17381.6573720690. The cubic root of 302122013 is about 671.0076269397.

Adding to 302122013 its reverse (310221203), we get a palindrome (612343216).

The spelling of 302122013 in words is "three hundred two million, one hundred twenty-two thousand, thirteen".

Divisors: 1 233 443 2927 103219 681991 1296661 302122013