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244131394 = 21361153929
BaseRepresentation
bin11101000110100…
…10011001000010
3122000101011022111
432203102121002
5444444201034
640120325534
76023040223
oct1643223102
9560334274
10244131394
11115895591
12699138aa
133b769460
14245cd24a
1516675364
hexe8d2642

244131394 has 16 divisors (see below), whose sum is σ = 400833720. Its totient is φ = 110828160.

The previous prime is 244131379. The next prime is 244131401. The reversal of 244131394 is 493131442.

It can be written as a sum of positive squares in 4 ways, for example, as 47430769 + 196700625 = 6887^2 + 14025^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75379 + ... + 78550.

Almost surely, 2244131394 is an apocalyptic number.

244131394 is a deficient number, since it is larger than the sum of its proper divisors (156702326).

244131394 is a wasteful number, since it uses less digits than its factorization.

244131394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154005.

The product of its digits is 10368, while the sum is 31.

The square root of 244131394 is about 15624.7046052077. The cubic root of 244131394 is about 624.9921227807.

The spelling of 244131394 in words is "two hundred forty-four million, one hundred thirty-one thousand, three hundred ninety-four".

Divisors: 1 2 13 26 61 122 793 1586 153929 307858 2001077 4002154 9389669 18779338 122065697 244131394