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5489820 = 2232574357
BaseRepresentation
bin10100111100010010011100
3101022220121200
4110330102130
52401133240
6313355500
764443210
oct24742234
911286550
105489820
11310a646
121a08b90
1311a2a1b
14a2c940
15736930
hex53c49c

5489820 has 72 divisors (see below), whose sum is σ = 19035744. Its totient is φ = 1254528.

The previous prime is 5489807. The next prime is 5489831. The reversal of 5489820 is 289845.

5489820 is a `hidden beast` number, since 548 + 98 + 20 = 666.

5489820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919 + ... + 3438.

Almost surely, 25489820 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 5489820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9517872).

5489820 is an abundant number, since it is smaller than the sum of its proper divisors (13545924).

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

5489820 is a wasteful number, since it uses less digits than its factorization.

5489820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4374 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5489820 is about 2343.0364913932. The cubic root of 5489820 is about 176.4084436084.

Adding to 5489820 its product of nonzero digits (23040), we get a triangular number (5512860 = T3320).

The spelling of 5489820 in words is "five million, four hundred eighty-nine thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 4357 8714 13071 17428 21785 26142 30499 39213 43570 52284 60998 65355 78426 87140 91497 121996 130710 152495 156852 182994 196065 261420 274491 304990 365988 392130 457485 548982 609980 784260 914970 1097964 1372455 1829940 2744910 5489820