Search a number
-
+
495902731 is a prime number
BaseRepresentation
bin11101100011101…
…110000000001011
31021120010110122211
4131203232000023
52003422341411
6121112525551
715201050362
oct3543560013
91246113584
10495902731
11234a19075
1211a0b08b7
137b97c18c
1449c0a7d9
152d809221
hex1d8ee00b

495902731 has 2 divisors, whose sum is σ = 495902732. Its totient is φ = 495902730.

The previous prime is 495902713. The next prime is 495902761. The reversal of 495902731 is 137209594.

Together with previous prime (495902713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495902731 - 29 = 495902219 is a prime.

It is a super-2 number, since 2×4959027312 = 491839037226516722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (495902761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247951365 + 247951366.

It is an arithmetic number, because the mean of its divisors is an integer number (247951366).

Almost surely, 2495902731 is an apocalyptic number.

495902731 is a deficient number, since it is larger than the sum of its proper divisors (1).

495902731 is an equidigital number, since it uses as much as digits as its factorization.

495902731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 495902731 is about 22268.8735907320. The cubic root of 495902731 is about 791.5265739082.

The spelling of 495902731 in words is "four hundred ninety-five million, nine hundred two thousand, seven hundred thirty-one".