Search a number
-
+
19244070 = 2325375779
BaseRepresentation
bin100100101101…
…0010000100110
31100012200220100
41021122100212
514411302240
61524244530
7322400106
oct111322046
940180810
1019244070
11a95439a
126540746
133caa331
1427ad206
151a51e30
hex125a426

19244070 has 48 divisors (see below), whose sum is σ = 51395760. Its totient is φ = 4992192.

The previous prime is 19244039. The next prime is 19244083. The reversal of 19244070 is 7044291.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (1070745).

Almost surely, 219244070 is an apocalyptic number.

19244070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19244070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25697880).

19244070 is an abundant number, since it is smaller than the sum of its proper divisors (32151690).

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

19244070 is a wasteful number, since it uses less digits than its factorization.

19244070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 19244070 is about 4386.8063554253. The cubic root of 19244070 is about 267.9778978580.

It can be divided in two parts, 192440 and 70, that added together give a triangular number (192510 = T620).

The spelling of 19244070 in words is "nineteen million, two hundred forty-four thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 5779 11558 17337 28895 34674 52011 57790 86685 104022 173370 213823 260055 427646 520110 641469 1069115 1282938 1924407 2138230 3207345 3848814 6414690 9622035 19244070