Search a number
-
+
1031224668 = 22385935389
BaseRepresentation
bin111101011101110…
…011110101011100
32122212102122022020
4331131303311130
54102443142133
6250154420140
734361156625
oct7535636534
92585378266
101031224668
1148a1103a1
12249431650
13135850716
149ad58a4c
15607ed0b3
hex3d773d5c

1031224668 has 12 divisors (see below), whose sum is σ = 2406190920. Its totient is φ = 343741552.

The previous prime is 1031224643. The next prime is 1031224687. The reversal of 1031224668 is 8664221301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42967683 + ... + 42967706.

It is an arithmetic number, because the mean of its divisors is an integer number (200515910).

Almost surely, 21031224668 is an apocalyptic number.

It is an amenable number.

1031224668 is an abundant number, since it is smaller than the sum of its proper divisors (1374966252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031224668 is a wasteful number, since it uses less digits than its factorization.

1031224668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85935396 (or 85935394 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1031224668 is about 32112.6870255356. The cubic root of 1031224668 is about 1010.3017325470.

Adding to 1031224668 its reverse (8664221301), we get a palindrome (9695445969).

It can be divided in two parts, 10312 and 24668, that added together give a triangular number (34980 = T264).

The spelling of 1031224668 in words is "one billion, thirty-one million, two hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 85935389 171870778 257806167 343741556 515612334 1031224668