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5387811 = 3111319661
BaseRepresentation
bin10100100011011000100011
3101010201200120
4110203120203
52334402221
6311251323
763536622
oct24433043
911121616
105387811
11304aa40
121979b43
131168470
14a036b9
157165c6
hex523623

5387811 has 32 divisors (see below), whose sum is σ = 8897280. Its totient is φ = 2851200.

The previous prime is 5387807. The next prime is 5387813. The reversal of 5387811 is 1187835.

It is not a de Polignac number, because 5387811 - 22 = 5387807 is a prime.

It is a super-3 number, since 3×53878113 (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5387813) 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, 7821 + ... + 8481.

It is an arithmetic number, because the mean of its divisors is an integer number (278040).

Almost surely, 25387811 is an apocalyptic number.

5387811 is a deficient number, since it is larger than the sum of its proper divisors (3509469).

5387811 is a wasteful number, since it uses less digits than its factorization.

5387811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 6720, while the sum is 33.

The square root of 5387811 is about 2321.1658708503. The cubic root of 5387811 is about 175.3089616915.

The spelling of 5387811 in words is "five million, three hundred eighty-seven thousand, eight hundred eleven".

Divisors: 1 3 11 13 19 33 39 57 143 209 247 429 627 661 741 1983 2717 7271 8151 8593 12559 21813 25779 37677 94523 138149 163267 283569 414447 489801 1795937 5387811