Search a number
-
+
8230000823 = 11823909091
BaseRepresentation
bin1111010101000101…
…11101100010110111
3210020120012100201022
413222202331202313
5113323340011243
63440353251355
7410642565332
oct75242754267
923216170638
108230000823
113543691480
121718263b5b
13a120a2895
14581059619
153327cdb68
hex1ea8bd8b7

8230000823 has 8 divisors (see below), whose sum is σ = 8989101696. Its totient is φ = 7472719800.

The previous prime is 8230000777. The next prime is 8230000837. The reversal of 8230000823 is 3280000328.

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 8230000823 - 220 = 8228952247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8230000792 and 8230000801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8230000843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445493 + ... + 463598.

It is an arithmetic number, because the mean of its divisors is an integer number (1123637712).

Almost surely, 28230000823 is an apocalyptic number.

8230000823 is a deficient number, since it is larger than the sum of its proper divisors (759100873).

8230000823 is a wasteful number, since it uses less digits than its factorization.

8230000823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909925.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8230000823 is about 90719.3519763011. The cubic root of 8230000823 is about 2018.9859321260.

It can be divided in two parts, 8230000 and 823, that multiplied together give a square (6773290000 = 823002).

The spelling of 8230000823 in words is "eight billion, two hundred thirty million, eight hundred twenty-three", and thus it is an aban number.

Divisors: 1 11 823 9053 909091 10000001 748181893 8230000823