Search a number
-
+
19097200 = 245247743
BaseRepresentation
bin100100011011…
…0011001110000
31022221020102201
41020312121300
514342102300
61521152544
7321215653
oct110663160
938836381
1019097200
11a864011
12648b754
133c58525
14277189a
151a2366a
hex1236670

19097200 has 30 divisors (see below), whose sum is σ = 45881984. Its totient is φ = 7638720.

The previous prime is 19097189. The next prime is 19097201. The reversal of 19097200 is 279091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19097201) 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 5 ways as a sum of consecutive naturals, for example, 23472 + ... + 24271.

Almost surely, 219097200 is an apocalyptic number.

19097200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19097200 is an abundant number, since it is smaller than the sum of its proper divisors (26784784).

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

19097200 is a wasteful number, since it uses less digits than its factorization.

19097200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47761 (or 47750 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 19097200 is about 4370.0343248080. The cubic root of 19097200 is about 267.2944238217.

The spelling of 19097200 in words is "nineteen million, ninety-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 47743 95486 190972 238715 381944 477430 763888 954860 1193575 1909720 2387150 3819440 4774300 9548600 19097200