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5118540 = 2235721741
BaseRepresentation
bin10011100001101001001100
3100122001022120
4103201221030
52302243130
6301412540
761335600
oct23415114
910561276
105118540
1129866a9
12186a150
1310a2a2b
14973500
156b1910
hex4e1a4c

5118540 has 72 divisors (see below), whose sum is σ = 16681392. Its totient is φ = 1169280.

The previous prime is 5118517. The next prime is 5118557. The reversal of 5118540 is 458115.

It is a self number, because there is not a number n which added to its sum of digits gives 5118540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2070 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (231686).

Almost surely, 25118540 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 5118540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8340696).

5118540 is an abundant number, since it is smaller than the sum of its proper divisors (11562852).

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

5118540 is a wasteful number, since it uses less digits than its factorization.

5118540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 5118540 is about 2262.4190593257. The cubic root of 5118540 is about 172.3383909646.

The spelling of 5118540 in words is "five million, one hundred eighteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 1741 2940 3482 5223 6964 8705 10446 12187 17410 20892 24374 26115 34820 36561 48748 52230 60935 73122 85309 104460 121870 146244 170618 182805 243740 255927 341236 365610 426545 511854 731220 853090 1023708 1279635 1706180 2559270 5118540