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1024200243 = 321110345457
BaseRepresentation
bin111101000011000…
…000111000110011
32122101012202121100
4331003000320303
54044143401433
6245344055443
734244362353
oct7503007063
92571182540
101024200243
11486152890
12247004583
13134261361
149a04ab63
155edb1b13
hex3d0c0e33

1024200243 has 12 divisors (see below), whose sum is σ = 1613891448. Its totient is φ = 620727360.

The previous prime is 1024200239. The next prime is 1024200251. The reversal of 1024200243 is 3420024201.

1024200243 is a `hidden beast` number, since 1 + 0 + 2 + 420 + 0 + 243 = 666.

It is not a de Polignac number, because 1024200243 - 22 = 1024200239 is a prime.

It is a super-2 number, since 2×10242002432 = 2097972275522518098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1024200043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5172630 + ... + 5172827.

It is an arithmetic number, because the mean of its divisors is an integer number (134490954).

Almost surely, 21024200243 is an apocalyptic number.

1024200243 is a deficient number, since it is larger than the sum of its proper divisors (589691205).

1024200243 is a wasteful number, since it uses less digits than its factorization.

1024200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345474 (or 10345471 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1024200243 is about 32003.1286439310. The cubic root of 1024200243 is about 1008.0025362512.

Adding to 1024200243 its reverse (3420024201), we get a palindrome (4444224444).

The spelling of 1024200243 in words is "one billion, twenty-four million, two hundred thousand, two hundred forty-three".

Divisors: 1 3 9 11 33 99 10345457 31036371 93109113 113800027 341400081 1024200243