Search a number
-
+
1384564244 = 227193256211
BaseRepresentation
bin101001010000110…
…1100011000010100
310120111022011002012
41102201230120110
510313422023434
6345220003352
746211413310
oct12241543024
93514264065
101384564244
11650606678
12327830558
13190b059ab
14d1c54b40
15818463ce
hex5286c614

1384564244 has 24 divisors (see below), whose sum is σ = 2783487168. Its totient is φ = 590307840.

The previous prime is 1384564243. The next prime is 1384564249. The reversal of 1384564244 is 4424654831.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384564243) 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, 122702 + ... + 133509.

It is an arithmetic number, because the mean of its divisors is an integer number (115978632).

Almost surely, 21384564244 is an apocalyptic number.

1384564244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1384564244 is an abundant number, since it is smaller than the sum of its proper divisors (1398922924).

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

1384564244 is a wasteful number, since it uses less digits than its factorization.

1384564244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256415 (or 256413 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The square root of 1384564244 is about 37209.7331890461. The cubic root of 1384564244 is about 1114.5623555422.

The spelling of 1384564244 in words is "one billion, three hundred eighty-four million, five hundred sixty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 193 386 772 1351 2702 5404 256211 512422 1024844 1793477 3586954 7173908 49448723 98897446 197794892 346141061 692282122 1384564244