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302293 = 4173101
BaseRepresentation
bin1001001110011010101
3120100200001
41021303111
534133133
610251301
72366215
oct1116325
9510601
10302293
11197132
12126b31
13a7794
147c245
155e87d
hex49cd5

302293 has 8 divisors (see below), whose sum is σ = 317016. Its totient is φ = 288000.

The previous prime is 302287. The next prime is 302297. The reversal of 302293 is 392203.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 248004 = 233^2 + 498^2 .

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 302293 - 25 = 302261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302297) 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, 2943 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (39627).

2302293 is an apocalyptic number.

It is an amenable number.

302293 is a deficient number, since it is larger than the sum of its proper divisors (14723).

302293 is a wasteful number, since it uses less digits than its factorization.

302293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 302293 is about 549.8117859777. The cubic root of 302293 is about 67.1134189430.

Adding to 302293 its reverse (392203), we get a palindrome (694496).

It can be divided in two parts, 302 and 293, that added together give a palindrome (595).

The spelling of 302293 in words is "three hundred two thousand, two hundred ninety-three".

Divisors: 1 41 73 101 2993 4141 7373 302293