Search a number
-
+
302194081 = 746393241
BaseRepresentation
bin10010000000110…
…001110110100001
3210001122001100101
4102000301312201
51104330202311
645553022401
710326415210
oct2200616641
9701561311
10302194081
11145642982
1285254a01
134a7b8687
142c1c5077
151b7e3ec1
hex12031da1

302194081 has 8 divisors (see below), whose sum is σ = 346114304. Its totient is φ = 258461280.

The previous prime is 302194051. The next prime is 302194111. The reversal of 302194081 is 180491203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (302194051) and next prime (302194111).

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

It is not a de Polignac number, because 302194081 - 29 = 302193569 is a prime.

It is a super-2 number, since 2×3021940812 = 182642525182869122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302194021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43380 + ... + 49861.

It is an arithmetic number, because the mean of its divisors is an integer number (43264288).

Almost surely, 2302194081 is an apocalyptic number.

It is an amenable number.

302194081 is a deficient number, since it is larger than the sum of its proper divisors (43920223).

302194081 is an equidigital number, since it uses as much as digits as its factorization.

302194081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93711.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 302194081 is about 17383.7303534080. The cubic root of 302194081 is about 671.0609766141.

The spelling of 302194081 in words is "three hundred two million, one hundred ninety-four thousand, eighty-one".

Divisors: 1 7 463 3241 93241 652687 43170583 302194081