Search a number
-
+
19149006 = 235360217
BaseRepresentation
bin100100100001…
…1000011001110
31100000212111110
41021003003032
514400232011
61522232450
7321523002
oct111030316
940025443
1019149006
11a899a28
1264b5726
133c75c96
142786702
151a33ba6
hex12430ce

19149006 has 16 divisors (see below), whose sum is σ = 39021264. Its totient is φ = 6262464.

The previous prime is 19149001. The next prime is 19149007. The reversal of 19149006 is 60094191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19149001) 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, 29791 + ... + 30426.

It is an arithmetic number, because the mean of its divisors is an integer number (2438829).

Almost surely, 219149006 is an apocalyptic number.

19149006 is an abundant number, since it is smaller than the sum of its proper divisors (19872258).

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

19149006 is a wasteful number, since it uses less digits than its factorization.

19149006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60275.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 19149006 is about 4375.9577237446. The cubic root of 19149006 is about 267.5359069044.

The spelling of 19149006 in words is "nineteen million, one hundred forty-nine thousand, six".

Divisors: 1 2 3 6 53 106 159 318 60217 120434 180651 361302 3191501 6383002 9574503 19149006