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5709213 = 325311969
BaseRepresentation
bin10101110001110110011101
3101202001120100
4111301312131
52430143323
6322211313
766345636
oct25616635
911661510
105709213
11324a464
121ab3b39
13124b843
14a8888d
1577b943
hex571d9d

5709213 has 12 divisors (see below), whose sum is σ = 8402940. Its totient is φ = 3734016.

The previous prime is 5709169. The next prime is 5709217. The reversal of 5709213 is 3129075.

5709213 is a `hidden beast` number, since 570 + 92 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 3583449 = 1458^2 + 1893^2 .

It is not a de Polignac number, because 5709213 - 26 = 5709149 is a prime.

It is a super-2 number, since 2×57092132 = 65190226158738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5508 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (700245).

Almost surely, 25709213 is an apocalyptic number.

5709213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5709213 is a deficient number, since it is larger than the sum of its proper divisors (2693727).

5709213 is a wasteful number, since it uses less digits than its factorization.

5709213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12028 (or 12025 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 5709213 is about 2389.3959487703. The cubic root of 5709213 is about 178.7277886562.

The spelling of 5709213 in words is "five million, seven hundred nine thousand, two hundred thirteen".

Divisors: 1 3 9 53 159 477 11969 35907 107721 634357 1903071 5709213