Search a number
-
+
19229424 = 2433112923
BaseRepresentation
bin100100101011…
…0101011110000
31100011221210220
41021112223300
514410320144
61524053040
7322306314
oct111265360
940157726
1019229424
11a944395
126534180
133ca3776
1427a7b44
151a4c919
hex1256af0

19229424 has 40 divisors (see below), whose sum is σ = 51282432. Its totient is φ = 6202560.

The previous prime is 19229423. The next prime is 19229443. The reversal of 19229424 is 42492291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19229423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4974 + ... + 7949.

Almost surely, 219229424 is an apocalyptic number.

It is an amenable number.

19229424 is an abundant number, since it is smaller than the sum of its proper divisors (32053008).

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

19229424 is a wasteful number, since it uses less digits than its factorization.

19229424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965 (or 12959 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 19229424 is about 4385.1367139463. The cubic root of 19229424 is about 267.9098976828.

The spelling of 19229424 in words is "nineteen million, two hundred twenty-nine thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 12923 25846 38769 51692 77538 103384 155076 206768 310152 400613 620304 801226 1201839 1602452 2403678 3204904 4807356 6409808 9614712 19229424