Search a number
-
+
302131055 = 5177514733
BaseRepresentation
bin10010000000100…
…010011101101111
3210001111211220002
4102000202131233
51104321143210
645551414515
710326033362
oct2200423557
9701454802
10302131055
111455aa596
128522443b
134a795a95
142c1aa0d9
151b7d04a5
hex1202276f

302131055 has 16 divisors (see below), whose sum is σ = 384476544. Its totient is φ = 227136000.

The previous prime is 302131051. The next prime is 302131069. The reversal of 302131055 is 550131203.

It is not a de Polignac number, because 302131055 - 22 = 302131051 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 (302131051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61469 + ... + 66201.

It is an arithmetic number, because the mean of its divisors is an integer number (24029784).

Almost surely, 2302131055 is an apocalyptic number.

302131055 is a deficient number, since it is larger than the sum of its proper divisors (82345489).

302131055 is a wasteful number, since it uses less digits than its factorization.

302131055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 302131055 is about 17381.9174719017. The cubic root of 302131055 is about 671.0143209134.

Adding to 302131055 its reverse (550131203), we get a palindrome (852262258).

The spelling of 302131055 in words is "three hundred two million, one hundred thirty-one thousand, fifty-five".

Divisors: 1 5 17 85 751 3755 4733 12767 23665 63835 80461 402305 3554483 17772415 60426211 302131055