Search a number
-
+
19794404 = 227706943
BaseRepresentation
bin100101110000…
…0100111100100
31101020122211002
41023200213210
520031410104
61544132432
7330151430
oct113404744
941218732
1019794404
111019a913
126767118
134140986
1428b39c0
151b1001e
hex12e09e4

19794404 has 12 divisors (see below), whose sum is σ = 39588864. Its totient is φ = 8483304.

The previous prime is 19794391. The next prime is 19794407. The reversal of 19794404 is 40449791.

19794404 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19794407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353444 + ... + 353499.

It is an arithmetic number, because the mean of its divisors is an integer number (3299072).

Almost surely, 219794404 is an apocalyptic number.

19794404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19794404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19794404 is a wasteful number, since it uses less digits than its factorization.

19794404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706954 (or 706952 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 19794404 is about 4449.0902440836. The cubic root of 19794404 is about 270.5084338342.

The spelling of 19794404 in words is "nineteen million, seven hundred ninety-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 706943 1413886 2827772 4948601 9897202 19794404