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5478880 = 255112283
BaseRepresentation
bin10100111001100111100000
3101022100121111
4110321213200
52400311010
6313233104
764366261
oct24714740
911270544
105478880
113102400
121a02794
13119aa54
14a28968
1573358a
hex5399e0

5478880 has 72 divisors (see below), whose sum is σ = 14277816. Its totient is φ = 1985280.

The previous prime is 5478877. The next prime is 5478881. The reversal of 5478880 is 888745.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478881) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19219 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (198303).

Almost surely, 25478880 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 5478880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7138908).

5478880 is an abundant number, since it is smaller than the sum of its proper divisors (8798936).

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

5478880 is a wasteful number, since it uses less digits than its factorization.

5478880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 5478880 is about 2340.7007497756. The cubic root of 5478880 is about 176.2911846481.

The spelling of 5478880 in words is "five million, four hundred seventy-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 121 160 176 220 242 283 352 440 484 566 605 880 968 1132 1210 1415 1760 1936 2264 2420 2830 3113 3872 4528 4840 5660 6226 9056 9680 11320 12452 15565 19360 22640 24904 31130 34243 45280 49808 62260 68486 99616 124520 136972 171215 249040 273944 342430 498080 547888 684860 1095776 1369720 2739440 5478880