Search a number
-
+
438034996 = 22715644107
BaseRepresentation
bin11010000110111…
…110001000110100
31010112020111001101
4122012332020310
51344114104441
6111244335444
713566143650
oct3206761064
91115214041
10438034996
112052941a3
12102844584
136c99a909
1442265a60
15286c8231
hex1a1be234

438034996 has 12 divisors (see below), whose sum is σ = 876070048. Its totient is φ = 187729272.

The previous prime is 438034981. The next prime is 438034999. The reversal of 438034996 is 699430834.

438034996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438034999) 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, 7822026 + ... + 7822081.

Almost surely, 2438034996 is an apocalyptic number.

It is an amenable number.

438034996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

438034996 is a wasteful number, since it uses less digits than its factorization.

438034996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644118 (or 15644116 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 438034996 is about 20929.2856065371. The cubic root of 438034996 is about 759.4565574842.

The spelling of 438034996 in words is "four hundred thirty-eight million, thirty-four thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 15644107 31288214 62576428 109508749 219017498 438034996