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5247220 = 22511172361
BaseRepresentation
bin10100000001000011110100
3100212120211111
4110001003310
52320402340
6304244404
762413006
oct24010364
910776744
105247220
112a64350
121910704
131119484
149a8376
156d9aea
hex5010f4

5247220 has 96 divisors (see below), whose sum is σ = 13499136. Its totient is φ = 1689600.

The previous prime is 5247217. The next prime is 5247223. The reversal of 5247220 is 227425.

It is an interprime number because it is at equal distance from previous prime (5247217) and next prime (5247223).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 5247191 and 5247200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85990 + ... + 86050.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

Almost surely, 25247220 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 5247220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6749568).

5247220 is an abundant number, since it is smaller than the sum of its proper divisors (8251916).

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

5247220 is a wasteful number, since it uses less digits than its factorization.

5247220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 5247220 is about 2290.6811214135. The cubic root of 5247220 is about 173.7706495134.

It can be divided in two parts, 524 and 7220, that added together give a square (7744 = 882).

The spelling of 5247220 in words is "five million, two hundred forty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 23 34 44 46 55 61 68 85 92 110 115 122 170 187 220 230 244 253 305 340 374 391 460 506 610 671 748 782 935 1012 1037 1220 1265 1342 1403 1564 1870 1955 2074 2530 2684 2806 3355 3740 3910 4148 4301 5060 5185 5612 6710 7015 7820 8602 10370 11407 13420 14030 15433 17204 20740 21505 22814 23851 28060 30866 43010 45628 47702 57035 61732 77165 86020 95404 114070 119255 154330 228140 238510 262361 308660 477020 524722 1049444 1311805 2623610 5247220