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5443444 = 221360861
BaseRepresentation
bin10100110000111101110100
3101020120000001
4110300331310
52343142234
6312401044
764161046
oct24607564
911216001
105443444
113088816
1219a6184
131187896
14a19a96
15727d14
hex530f74

5443444 has 6 divisors (see below), whose sum is σ = 9526034. Its totient is φ = 2721720.

The previous prime is 5443441. The next prime is 5443453. The reversal of 5443444 is 4443445.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 656100 = 2188^2 + 810^2 .

It is a super-2 number, since 2×54434442 = 59262165162272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680427 + ... + 680434.

Almost surely, 25443444 is an apocalyptic number.

It is an amenable number.

5443444 is a deficient number, since it is larger than the sum of its proper divisors (4082590).

5443444 is a wasteful number, since it uses less digits than its factorization.

5443444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360865 (or 1360863 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 5443444 is about 2333.1189425316. The cubic root of 5443444 is about 175.9102934720.

Adding to 5443444 its reverse (4443445), we get a palindrome (9886889).

Subtracting from 5443444 its reverse (4443445), we obtain a palindrome (999999).

The spelling of 5443444 in words is "five million, four hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 1360861 2721722 5443444