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302013 = 32231459
BaseRepresentation
bin1001001101110111101
3120100021200
41021232331
534131023
610250113
72365335
oct1115675
9510250
10302013
111969a8
12126939
13a760a
147c0c5
155e743
hex49bbd

302013 has 12 divisors (see below), whose sum is σ = 455520. Its totient is φ = 192456.

The previous prime is 302009. The next prime is 302053. The reversal of 302013 is 310203.

It is a happy number.

It is not a de Polignac number, because 302013 - 22 = 302009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 301986 and 302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (37960).

2302013 is an apocalyptic number.

It is an amenable number.

302013 is a deficient number, since it is larger than the sum of its proper divisors (153507).

302013 is a wasteful number, since it uses less digits than its factorization.

302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 302013 is about 549.5570943951. The cubic root of 302013 is about 67.0926911918.

Adding to 302013 its reverse (310203), we get a palindrome (612216).

The spelling of 302013 in words is "three hundred two thousand, thirteen".

Divisors: 1 3 9 23 69 207 1459 4377 13131 33557 100671 302013