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5481290 = 252941461
BaseRepresentation
bin10100111010001101001010
3101022110220202
4110322031022
52400400130
6313252202
764406303
oct24721512
911273822
105481290
1131041a1
121a04062
13119bb89
14a297aa
15734145
hex53a34a

5481290 has 32 divisors (see below), whose sum is σ = 10478160. Its totient is φ = 2060800.

The previous prime is 5481251. The next prime is 5481299. The reversal of 5481290 is 921845.

It can be written as a sum of positive squares in 8 ways, for example, as 654481 + 4826809 = 809^2 + 2197^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (5481299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11660 + ... + 12120.

Almost surely, 25481290 is an apocalyptic number.

5481290 is a deficient number, since it is larger than the sum of its proper divisors (4996870).

5481290 is a wasteful number, since it uses less digits than its factorization.

5481290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 5481290 is about 2341.2154962754. The cubic root of 5481290 is about 176.3170293144.

The spelling of 5481290 in words is "five million, four hundred eighty-one thousand, two hundred ninety".

Divisors: 1 2 5 10 29 41 58 82 145 205 290 410 461 922 1189 2305 2378 4610 5945 11890 13369 18901 26738 37802 66845 94505 133690 189010 548129 1096258 2740645 5481290