Search a number
-
+
1344404425 = 52721384421
BaseRepresentation
bin101000000100001…
…1111101111001001
310110200201211011111
41100020133233021
510223131420200
6341223130321
745213151300
oct12010375711
93420654144
101344404425
1162a976a41
123162a39a1
131856b44a0
14ca79d437
157d0620ba
hex5021fbc9

1344404425 has 36 divisors (see below), whose sum is σ = 2088431436. Its totient is φ = 850953600.

The previous prime is 1344404419. The next prime is 1344404429. The reversal of 1344404425 is 5244044431.

It can be written as a sum of positive squares in 6 ways, for example, as 3087049 + 1341317376 = 1757^2 + 36624^2 .

It is not a de Polignac number, because 1344404425 - 25 = 1344404393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344404429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26286 + ... + 58135.

Almost surely, 21344404425 is an apocalyptic number.

It is an amenable number.

1344404425 is a deficient number, since it is larger than the sum of its proper divisors (744027011).

1344404425 is a wasteful number, since it uses less digits than its factorization.

1344404425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84458 (or 84446 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 1344404425 is about 36666.1209429086. The cubic root of 1344404425 is about 1103.6803517044.

Adding to 1344404425 its reverse (5244044431), we get a palindrome (6588448856).

It can be divided in two parts, 1344 and 404425, that added together give a square (405769 = 6372).

The spelling of 1344404425 in words is "one billion, three hundred forty-four million, four hundred four thousand, four hundred twenty-five".

Divisors: 1 5 7 13 25 35 49 65 91 175 245 325 455 637 1225 2275 3185 15925 84421 422105 590947 1097473 2110525 2954735 4136629 5487365 7682311 14773675 20683145 27436825 38411555 53776177 103415725 192057775 268880885 1344404425