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5391660 = 2235233907
BaseRepresentation
bin10100100100010100101100
3101010220222010
4110210110230
52340013120
6311321220
763554061
oct24442454
911126863
105391660
11305291a
121980210
13116a141
14a04c68
157177e0
hex52452c

5391660 has 48 divisors (see below), whose sum is σ = 15757056. Its totient is φ = 1374912.

The previous prime is 5391653. The next prime is 5391667. The reversal of 5391660 is 661935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5391653) and next prime (5391667).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5391667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (328272).

Almost surely, 25391660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5391660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7878528).

5391660 is an abundant number, since it is smaller than the sum of its proper divisors (10365396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5391660 is a wasteful number, since it uses less digits than its factorization.

5391660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 5391660 is about 2321.9948320356. The cubic root of 5391660 is about 175.3506980959.

The spelling of 5391660 in words is "five million, three hundred ninety-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 3907 7814 11721 15628 19535 23442 39070 46884 58605 78140 89861 117210 179722 234420 269583 359444 449305 539166 898610 1078332 1347915 1797220 2695830 5391660