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302240141 = 743177163
BaseRepresentation
bin10010000000111…
…101000110001101
3210001201101112022
4102000331012031
51104333141031
645554015525
710326666410
oct2200750615
9701641468
10302240141
11145674545
12852775a5
134a803628
142c1d7b77
151b80297b
hex1203d18d

302240141 has 4 divisors (see below), whose sum is σ = 345417312. Its totient is φ = 259062972.

The previous prime is 302240129. The next prime is 302240143. The reversal of 302240141 is 141042203.

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 not a de Polignac number, because 302240141 - 210 = 302239117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302240143) 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, 21588575 + ... + 21588588.

It is an arithmetic number, because the mean of its divisors is an integer number (86354328).

Almost surely, 2302240141 is an apocalyptic number.

It is an amenable number.

302240141 is a deficient number, since it is larger than the sum of its proper divisors (43177171).

302240141 is an equidigital number, since it uses as much as digits as its factorization.

302240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43177170.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 302240141 is about 17385.0551048882. The cubic root of 302240141 is about 671.0950689412.

Adding to 302240141 its reverse (141042203), we get a palindrome (443282344).

The spelling of 302240141 in words is "three hundred two million, two hundred forty thousand, one hundred forty-one".

Divisors: 1 7 43177163 302240141