Search a number
-
+
302122 = 2295209
BaseRepresentation
bin1001001110000101010
3120100102201
41021300222
534131442
610250414
72365552
oct1116052
9510381
10302122
11196a97
12126a0a
13a7692
147c162
155e7b7
hex49c2a

302122 has 8 divisors (see below), whose sum is σ = 468900. Its totient is φ = 145824.

The previous prime is 302111. The next prime is 302123. The reversal of 302122 is 221203.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 32761 = 519^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 302099 and 302108.

It is not an unprimeable number, because it can be changed into a prime (302123) by changing a digit.

302122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547 + ... + 2662.

2302122 is an apocalyptic number.

302122 is a deficient number, since it is larger than the sum of its proper divisors (166778).

302122 is a wasteful number, since it uses less digits than its factorization.

302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 302122 is about 549.6562562184. The cubic root of 302122 is about 67.1007617315.

Adding to 302122 its reverse (221203), we get a palindrome (523325).

It can be divided in two parts, 302 and 122, that added together give a palindrome (424).

The spelling of 302122 in words is "three hundred two thousand, one hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 29 58 5209 10418 151061 302122