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5223449 = 72112881
BaseRepresentation
bin10011111011010000011001
3100211101020002
4103323100121
52314122244
6303542345
762253500
oct23732031
910741202
105223449
112a48500
1218ba9b5
13110b6ca
1499d837
156d2a4e
hex4fb419

5223449 has 18 divisors (see below), whose sum is σ = 6686442. Its totient is φ = 4065600.

The previous prime is 5223431. The next prime is 5223457. The reversal of 5223449 is 9443225.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 1517824 = 1925^2 + 1232^2 .

It is not a de Polignac number, because 5223449 - 220 = 4174873 is a prime.

It is a d-powerful number, because it can be written as 59 + 2 + 221 + 310 + 48 + 410 + 9 .

It is not an unprimeable number, because it can be changed into a prime (5223409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5489 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (371469).

Almost surely, 25223449 is an apocalyptic number.

It is an amenable number.

5223449 is a deficient number, since it is larger than the sum of its proper divisors (1462993).

5223449 is a wasteful number, since it uses less digits than its factorization.

5223449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 899 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 5223449 is about 2285.4866002670. The cubic root of 5223449 is about 173.5078465115.

The spelling of 5223449 in words is "five million, two hundred twenty-three thousand, four hundred forty-nine".

Divisors: 1 7 11 49 77 121 539 847 881 5929 6167 9691 43169 67837 106601 474859 746207 5223449