Search a number
-
+
1828043823 = 31314651511
BaseRepresentation
bin110110011110101…
…1011110000101111
311201101210020200210
41230331123300233
512220434400243
6501221153503
763205054554
oct15475336057
94641706623
101828043823
11858979421
1243025b893
1323195b848
14134ad6a2b
15aa747933
hex6cf5bc2f

1828043823 has 8 divisors (see below), whose sum is σ = 2455998336. Its totient is φ = 1209392600.

The previous prime is 1828043807. The next prime is 1828043857. The reversal of 1828043823 is 3283408281.

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 1828043823 - 24 = 1828043807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828043863) 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, 2325363 + ... + 2326148.

It is an arithmetic number, because the mean of its divisors is an integer number (306999792).

Almost surely, 21828043823 is an apocalyptic number.

1828043823 is a deficient number, since it is larger than the sum of its proper divisors (627954513).

1828043823 is a wasteful number, since it uses less digits than its factorization.

1828043823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651645.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1828043823 is about 42755.6291381614. The cubic root of 1828043823 is about 1222.7252129189.

The spelling of 1828043823 in words is "one billion, eight hundred twenty-eight million, forty-three thousand, eight hundred twenty-three".

Divisors: 1 3 131 393 4651511 13954533 609347941 1828043823