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5709231 = 331147409
BaseRepresentation
bin10101110001110110101111
3101202001121000
4111301312233
52430143411
6322211343
766345663
oct25616657
911661530
105709231
11324a480
121ab3b53
13124b858
14a888a3
1577b956
hex571daf

5709231 has 32 divisors (see below), whose sum is σ = 9446400. Its totient is φ = 3378240.

The previous prime is 5709217. The next prime is 5709269. The reversal of 5709231 is 1329075.

5709231 is a `hidden beast` number, since 570 + 92 + 3 + 1 = 666.

It is not a de Polignac number, because 5709231 - 27 = 5709103 is a prime.

It is a super-2 number, since 2×57092312 = 65190637222722, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 5709195 and 5709204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13755 + ... + 14163.

It is an arithmetic number, because the mean of its divisors is an integer number (295200).

Almost surely, 25709231 is an apocalyptic number.

5709231 is a deficient number, since it is larger than the sum of its proper divisors (3737169).

5709231 is a wasteful number, since it uses less digits than its factorization.

5709231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

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

The square root of 5709231 is about 2389.3997154097. The cubic root of 5709231 is about 178.7279764869.

It can be divided in two parts, 570 and 9231, that added together give a square (9801 = 992).

The spelling of 5709231 in words is "five million, seven hundred nine thousand, two hundred thirty-one".

Divisors: 1 3 9 11 27 33 47 99 141 297 409 423 517 1227 1269 1551 3681 4499 4653 11043 13497 13959 19223 40491 57669 121473 173007 211453 519021 634359 1903077 5709231