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7071444 = 2232196429
BaseRepresentation
bin11010111110011011010100
3111022021012100
4122332123110
53302241234
6411322100
7114051312
oct32763324
914267170
107071444
113a9a976
122450330
1316078b3
14d210b2
1594a399
hex6be6d4

7071444 has 18 divisors (see below), whose sum is σ = 17875130. Its totient is φ = 2357136.

The previous prime is 7071443. The next prime is 7071451. The reversal of 7071444 is 4441707.

It can be written as a sum of positive squares in only one way, i.e., 5702544 + 1368900 = 2388^2 + 1170^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98179 + ... + 98250.

Almost surely, 27071444 is an apocalyptic number.

It is an amenable number.

7071444 is an abundant number, since it is smaller than the sum of its proper divisors (10803686).

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

7071444 is a wasteful number, since it uses less digits than its factorization.

7071444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196439 (or 196434 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 7071444 is about 2659.2186822448. The cubic root of 7071444 is about 191.9417140786.

The spelling of 7071444 in words is "seven million, seventy-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 196429 392858 589287 785716 1178574 1767861 2357148 3535722 7071444