Search a number
-
+
1922804010 = 232521364489
BaseRepresentation
bin111001010011011…
…1010100100101010
311222000002120020100
41302212322210222
512414214212020
6514444210230
765435364411
oct16246724452
94860076210
101922804010
118a7411126
12457b39976
1324848936a
14143522478
15b3c14a90
hex729ba92a

1922804010 has 24 divisors (see below), whose sum is σ = 4999290660. Its totient is φ = 512747712.

The previous prime is 1922803991. The next prime is 1922804011. The reversal of 1922804010 is 104082291.

It can be written as a sum of positive squares in 2 ways, for example, as 1918177209 + 4626801 = 43797^2 + 2151^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1922804011) 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, 10682155 + ... + 10682334.

Almost surely, 21922804010 is an apocalyptic number.

1922804010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1922804010 is an abundant number, since it is smaller than the sum of its proper divisors (3076486650).

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

1922804010 is a wasteful number, since it uses less digits than its factorization.

1922804010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364502 (or 21364499 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1922804010 is about 43849.7891671100. The cubic root of 1922804010 is about 1243.4977574542.

The spelling of 1922804010 in words is "one billion, nine hundred twenty-two million, eight hundred four thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 21364489 42728978 64093467 106822445 128186934 192280401 213644890 320467335 384560802 640934670 961402005 1922804010