Search a number
-
+
1024000231 = 19263204923
BaseRepresentation
bin111101000010010…
…000000011100111
32122100211121020111
4331002100003213
54044121001411
6245335513451
734242600262
oct7502200347
92570747214
101024000231
11486026591
12246b28887
131341c12c7
1499dd7cd9
155ed72721
hex3d0900e7

1024000231 has 8 divisors (see below), whose sum is σ = 1081998720. Its totient is φ = 966412152.

The previous prime is 1024000217. The next prime is 1024000247. The reversal of 1024000231 is 1320004201.

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

It is a cyclic number.

It is not a de Polignac number, because 1024000231 - 215 = 1023967463 is a prime.

It is a super-2 number, since 2×10240002312 = 2097152946176106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024000261) 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, 97465 + ... + 107458.

It is an arithmetic number, because the mean of its divisors is an integer number (135249840).

Almost surely, 21024000231 is an apocalyptic number.

1024000231 is a deficient number, since it is larger than the sum of its proper divisors (57998489).

1024000231 is a wasteful number, since it uses less digits than its factorization.

1024000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205205.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1024000231 is about 32000.0036093748. The cubic root of 1024000231 is about 1007.9369157080.

Adding to 1024000231 its reverse (1320004201), we get a palindrome (2344004432).

The spelling of 1024000231 in words is "one billion, twenty-four million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 19 263 4997 204923 3893537 53894749 1024000231