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5821249 = 72118801
BaseRepresentation
bin10110001101001101000001
3101221202020211
4112031031001
52442234444
6324434121
7100323400
oct26151501
911852224
105821249
113316655
121b48941
13128a835
14ab7637
1579ec34
hex58d341

5821249 has 6 divisors (see below), whose sum is σ = 6771714. Its totient is φ = 4989600.

The previous prime is 5821243. The next prime is 5821271. The reversal of 5821249 is 9421285.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 1979649 = 1960^2 + 1407^2 .

It is not a de Polignac number, because 5821249 - 215 = 5788481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5821249.

It is not an unprimeable number, because it can be changed into a prime (5821243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59352 + ... + 59449.

It is an arithmetic number, because the mean of its divisors is an integer number (1128619).

Almost surely, 25821249 is an apocalyptic number.

It is an amenable number.

5821249 is a deficient number, since it is larger than the sum of its proper divisors (950465).

5821249 is a wasteful number, since it uses less digits than its factorization.

5821249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118815 (or 118808 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 5821249 is about 2412.7264660545. The cubic root of 5821249 is about 179.8893249683.

The spelling of 5821249 in words is "five million, eight hundred twenty-one thousand, two hundred forty-nine".

Divisors: 1 7 49 118801 831607 5821249