Search a number
-
+
1923420512 = 25134623607
BaseRepresentation
bin111001010100101…
…0001000101100000
311222001020212220202
41302221101011200
512414343424022
6514505324332
765443542656
oct16251210540
94861225822
101923420512
118a77a2332
124581966a8
13248643b60
14143642dd6
15b3cd7592
hex72a51160

1923420512 has 24 divisors (see below), whose sum is σ = 4078022256. Its totient is φ = 887732352.

The previous prime is 1923420497. The next prime is 1923420529. The reversal of 1923420512 is 2150243291.

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, 2311388 + ... + 2312219.

It is an arithmetic number, because the mean of its divisors is an integer number (169917594).

Almost surely, 21923420512 is an apocalyptic number.

It is an amenable number.

1923420512 is an abundant number, since it is smaller than the sum of its proper divisors (2154601744).

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

1923420512 is a wasteful number, since it uses less digits than its factorization.

1923420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623630 (or 4623622 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1923420512 is about 43856.8183068494. The cubic root of 1923420512 is about 1243.6306427148.

The spelling of 1923420512 in words is "one billion, nine hundred twenty-three million, four hundred twenty thousand, five hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 4623607 9247214 18494428 36988856 60106891 73977712 120213782 147955424 240427564 480855128 961710256 1923420512