Search a number
-
+
1344444442 = 21161111111
BaseRepresentation
bin101000000100010…
…1001100000011010
310110200210212001121
41100020221200122
510223134210232
6341224035454
745213406045
oct12010514032
93420725047
101344444442
1162a9a4010
12316302b8a
131856c9773
14ca7adc5c
157d06dd97
hex5022981a

1344444442 has 8 divisors (see below), whose sum is σ = 2200000032. Its totient is φ = 611111100.

The previous prime is 1344444403. The next prime is 1344444443. The reversal of 1344444442 is 2444444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1344444398 and 1344444407.

It is not an unprimeable number, because it can be changed into a prime (1344444443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30555534 + ... + 30555577.

It is an arithmetic number, because the mean of its divisors is an integer number (275000004).

Almost surely, 21344444442 is an apocalyptic number.

1344444442 is a deficient number, since it is larger than the sum of its proper divisors (855555590).

1344444442 is a wasteful number, since it uses less digits than its factorization.

1344444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61111124.

The product of its digits is 98304, while the sum is 34.

The square root of 1344444442 is about 36666.6666333333. Note that the first 4 decimals coincide. The cubic root of 1344444442 is about 1103.6913021639.

Adding to 1344444442 its reverse (2444444431), we get a palindrome (3788888873).

It can be divided in two parts, 1 and 344444442, that added together give a palindrome (344444443).

The spelling of 1344444442 in words is "one billion, three hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 11 22 61111111 122222222 672222221 1344444442