Search a number
-
+
1083081838 = 2541540919
BaseRepresentation
bin100000010001110…
…1000010001101110
32210111000020222011
41000203220101232
54204232104323
6255250111434
735561020666
oct10043502156
92714006864
101083081838
1150640a463
1226287b57a
13143509237
14a3bb71a6
156514320d
hex408e846e

1083081838 has 4 divisors (see below), whose sum is σ = 1624622760. Its totient is φ = 541540918.

The previous prime is 1083081829. The next prime is 1083081869. The reversal of 1083081838 is 8381803801.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1083081838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270770458 + ... + 270770461.

It is an arithmetic number, because the mean of its divisors is an integer number (406155690).

Almost surely, 21083081838 is an apocalyptic number.

1083081838 is a deficient number, since it is larger than the sum of its proper divisors (541540922).

1083081838 is an equidigital number, since it uses as much as digits as its factorization.

1083081838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541540921.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 1083081838 is about 32910.2087200917. The cubic root of 1083081838 is about 1026.9605428514.

The spelling of 1083081838 in words is "one billion, eighty-three million, eighty-one thousand, eight hundred thirty-eight".

Divisors: 1 2 541540919 1083081838