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302400013 = 1483203911
BaseRepresentation
bin10010000001100…
…100001000001101
3210002000111211111
4102001210020031
51104403300023
650001252021
710331233456
oct2201441015
9702014744
10302400013
11145773673
1285334011
134a85b326
142c23a12d
151b83500d
hex1206420d

302400013 has 4 divisors (see below), whose sum is σ = 302605408. Its totient is φ = 302194620.

The previous prime is 302399971. The next prime is 302400041. The reversal of 302400013 is 310004203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 302400013 - 225 = 268845581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302399966 and 302400002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302400053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100473 + ... + 103438.

It is an arithmetic number, because the mean of its divisors is an integer number (75651352).

Almost surely, 2302400013 is an apocalyptic number.

It is an amenable number.

302400013 is a deficient number, since it is larger than the sum of its proper divisors (205395).

302400013 is a wasteful number, since it uses less digits than its factorization.

302400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205394.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 302400013 is about 17389.6524692128. The cubic root of 302400013 is about 671.2133748672.

Adding to 302400013 its reverse (310004203), we get a palindrome (612404216).

The spelling of 302400013 in words is "three hundred two million, four hundred thousand, thirteen".

Divisors: 1 1483 203911 302400013