Search a number
-
+
19124394 = 234773929
BaseRepresentation
bin100100011110…
…1000010101010
31022222121201220
41020331002222
514343440034
61521522510
7321361152
oct110750252
938877656
1019124394
11a882493
1264a3436
133c67a13
14277b762
151a2b749
hex123d0aa

19124394 has 32 divisors (see below), whose sum is σ = 39640320. Its totient is φ = 6147072.

The previous prime is 19124389. The next prime is 19124401. The reversal of 19124394 is 49342191.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20122 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (1238760).

Almost surely, 219124394 is an apocalyptic number.

19124394 is an abundant number, since it is smaller than the sum of its proper divisors (20515926).

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

19124394 is a wasteful number, since it uses less digits than its factorization.

19124394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its digits is 7776, while the sum is 33.

The square root of 19124394 is about 4373.1446351567. The cubic root of 19124394 is about 267.4212374747.

The spelling of 19124394 in words is "nineteen million, one hundred twenty-four thousand, three hundred ninety-four".

Divisors: 1 2 3 6 47 73 94 141 146 219 282 438 929 1858 2787 3431 5574 6862 10293 20586 43663 67817 87326 130989 135634 203451 261978 406902 3187399 6374798 9562197 19124394