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5420660 = 2257311249
BaseRepresentation
bin10100101011011001110100
3101012101202012
4110223121310
52341430120
6312103352
764034450
oct24533164
911171665
105420660
113072693
121994b58
13117a3bb
14a11660
157211c5
hex52b674

5420660 has 48 divisors (see below), whose sum is σ = 13440000. Its totient is φ = 1797120.

The previous prime is 5420633. The next prime is 5420669. The reversal of 5420660 is 660245.

5420660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420669) 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, 3716 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (280000).

Almost surely, 25420660 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 5420660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6720000).

5420660 is an abundant number, since it is smaller than the sum of its proper divisors (8019340).

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

5420660 is a wasteful number, since it uses less digits than its factorization.

5420660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5420660 is about 2328.2310881869. The cubic root of 5420660 is about 175.6645210637.

The spelling of 5420660 in words is "five million, four hundred twenty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 1249 2170 2498 4340 4996 6245 8743 12490 17486 24980 34972 38719 43715 77438 87430 154876 174860 193595 271033 387190 542066 774380 1084132 1355165 2710330 5420660