Search a number
-
+
275331331 = 1125030121
BaseRepresentation
bin10000011010010…
…011100100000011
3201012002021120201
4100122103210003
51030441100311
643153150031
76552164152
oct2032234403
9635067521
10275331331
11131465560
127825b317
1345071662
14287d1599
15192899c1
hex10693903

275331331 has 4 divisors (see below), whose sum is σ = 300361464. Its totient is φ = 250301200.

The previous prime is 275331323. The next prime is 275331361. The reversal of 275331331 is 133133572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275331331 - 23 = 275331323 is a prime.

It is a super-2 number, since 2×2753313312 = 151614683660463122, which contains 22 as substring.

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 275331331.

It is not an unprimeable number, because it can be changed into a prime (275331361) 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 3 ways as a sum of consecutive naturals, for example, 12515050 + ... + 12515071.

It is an arithmetic number, because the mean of its divisors is an integer number (75090366).

Almost surely, 2275331331 is an apocalyptic number.

275331331 is a deficient number, since it is larger than the sum of its proper divisors (25030133).

275331331 is a wasteful number, since it uses less digits than its factorization.

275331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030132.

The product of its digits is 5670, while the sum is 28.

The square root of 275331331 is about 16593.1109500298. The cubic root of 275331331 is about 650.5567860407.

The spelling of 275331331 in words is "two hundred seventy-five million, three hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 11 25030121 275331331