Search a number
-
+
512493 = 31391229
BaseRepresentation
bin1111101000111101101
3222001000020
41331013231
5112344433
614552353
74233102
oct1750755
9861006
10512493
11320053
122086b9
1314c367
14d4aa9
15a1cb3
hex7d1ed

512493 has 8 divisors (see below), whose sum is σ = 688800. Its totient is φ = 338928.

The previous prime is 512467. The next prime is 512497. The reversal of 512493 is 394215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512493 - 26 = 512429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512497) 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 7 ways as a sum of consecutive naturals, for example, 198 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (86100).

2512493 is an apocalyptic number.

It is an amenable number.

512493 is a deficient number, since it is larger than the sum of its proper divisors (176307).

512493 is a wasteful number, since it uses less digits than its factorization.

512493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 1080, while the sum is 24.

The square root of 512493 is about 715.8861641351. The cubic root of 512493 is about 80.0256688463.

The spelling of 512493 in words is "five hundred twelve thousand, four hundred ninety-three".

Divisors: 1 3 139 417 1229 3687 170831 512493