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5780241 = 38881
BaseRepresentation
bin10110000011001100010001
3101212200000000
4112003030101
52434431431
6323520213
7100063005
oct26031421
911780000
105780241
113298865
121b29069
131274c7c
14aa6705
157929e6
hex583311

5780241 has 18 divisors (see below), whose sum is σ = 8679762. Its totient is φ = 3849120.

The previous prime is 5780231. The next prime is 5780249. The reversal of 5780241 is 1420875.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 1679616 = 2025^2 + 1296^2 .

It is not a de Polignac number, because 5780241 - 25 = 5780209 is a prime.

It is a super-2 number, since 2×57802412 = 66822372036162, which contains 22 as substring.

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

5780241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5780249) 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, 6121 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (482209).

Almost surely, 25780241 is an apocalyptic number.

It is an amenable number.

5780241 is a deficient number, since it is larger than the sum of its proper divisors (2899521).

5780241 is an frugal number, since it uses more digits than its factorization.

5780241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 884 counting only the distinct ones).

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

The square root of 5780241 is about 2404.2131769042. The cubic root of 5780241 is about 179.4659168741.

The spelling of 5780241 in words is "five million, seven hundred eighty thousand, two hundred forty-one".

Divisors: 1 3 9 27 81 243 729 881 2187 2643 6561 7929 23787 71361 214083 642249 1926747 5780241