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5520620 = 225747839
BaseRepresentation
bin10101000011110011101100
3101101110212102
4111003303230
52403124440
6314154232
764632050
oct25036354
911343772
105520620
1131307a6
121a22978
1311b3a51
14a39c60
15740b15
hex543cec

5520620 has 48 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 1850304.

The previous prime is 5520607. The next prime is 5520623. The reversal of 5520620 is 260255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5520592 and 5520601.

It is not an unprimeable number, because it can be changed into a prime (5520623) 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, 6161 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

Almost surely, 25520620 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 5520620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773760).

5520620 is an abundant number, since it is smaller than the sum of its proper divisors (8026900).

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

5520620 is a wasteful number, since it uses less digits than its factorization.

5520620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5520620 is about 2349.5999659517. The cubic root of 5520620 is about 176.7377349451.

Adding to 5520620 its reverse (260255), we get a palindrome (5780875).

The spelling of 5520620 in words is "five million, five hundred twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 140 188 235 329 470 658 839 940 1316 1645 1678 3290 3356 4195 5873 6580 8390 11746 16780 23492 29365 39433 58730 78866 117460 157732 197165 276031 394330 552062 788660 1104124 1380155 2760310 5520620