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5705021 = 72173673
BaseRepresentation
bin10101110000110100111101
3101201211211002
4111300310331
52430030041
6322140045
766330500
oct25606475
911654732
105705021
1132472a3
121ab1625
13124996a
14a87137
1577a59b
hex570d3d

5705021 has 12 divisors (see below), whose sum is σ = 6684732. Its totient is φ = 4854528.

The previous prime is 5704999. The next prime is 5705033. The reversal of 5705021 is 1205075.

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 1999396 = 1925^2 + 1414^2 .

It is not a de Polignac number, because 5705021 - 26 = 5704957 is a prime.

It is a super-2 number, since 2×57050212 = 65094529220882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5704984 and 5705002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8141 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (557061).

Almost surely, 25705021 is an apocalyptic number.

It is an amenable number.

5705021 is a deficient number, since it is larger than the sum of its proper divisors (979711).

5705021 is a wasteful number, since it uses less digits than its factorization.

5705021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 5705021 is about 2388.5185785336. The cubic root of 5705021 is about 178.6840342112.

The spelling of 5705021 in words is "five million, seven hundred five thousand, twenty-one".

Divisors: 1 7 49 173 673 1211 4711 8477 32977 116429 815003 5705021