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5827221 = 3471941
BaseRepresentation
bin10110001110101010010101
3101222001110000
4112032222111
52442432341
6324521513
7100346661
oct26165225
911861400
105827221
113320094
121b50299
13129047a
14ab98a1
157a18b6
hex58ea95

5827221 has 10 divisors (see below), whose sum is σ = 8704982. Its totient is φ = 3884760.

The previous prime is 5827193. The next prime is 5827223. The reversal of 5827221 is 1227285.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 1726596 = 2025^2 + 1314^2 .

It is not a de Polignac number, because 5827221 - 25 = 5827189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5827223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35890 + ... + 36051.

Almost surely, 25827221 is an apocalyptic number.

It is an amenable number.

5827221 is a deficient number, since it is larger than the sum of its proper divisors (2877761).

5827221 is an equidigital number, since it uses as much as digits as its factorization.

5827221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71953 (or 71944 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5827221 is about 2413.9637528347. The cubic root of 5827221 is about 179.9508198974.

The spelling of 5827221 in words is "five million, eight hundred twenty-seven thousand, two hundred twenty-one".

Divisors: 1 3 9 27 81 71941 215823 647469 1942407 5827221