Search a number
-
+
485634431 is a prime number
BaseRepresentation
bin11100111100100…
…011000101111111
31020211210210012102
4130330203011333
51443310300211
6120104455315
715014552552
oct3474430577
91224723172
10485634431
1122a145377
1211677a53b
13797c5469
14486d6699
152c97ba3b
hex1cf2317f

485634431 has 2 divisors, whose sum is σ = 485634432. Its totient is φ = 485634430.

The previous prime is 485634407. The next prime is 485634467. The reversal of 485634431 is 134436584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485634431 - 26 = 485634367 is a prime.

It is a super-2 number, since 2×4856344312 = 471681601145387522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485634491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242817215 + 242817216.

It is an arithmetic number, because the mean of its divisors is an integer number (242817216).

Almost surely, 2485634431 is an apocalyptic number.

485634431 is a deficient number, since it is larger than the sum of its proper divisors (1).

485634431 is an equidigital number, since it uses as much as digits as its factorization.

485634431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 38.

The square root of 485634431 is about 22037.1148519946. The cubic root of 485634431 is about 786.0252367546.

The spelling of 485634431 in words is "four hundred eighty-five million, six hundred thirty-four thousand, four hundred thirty-one".