Search a number
-
+
13063540 = 2257234057
BaseRepresentation
bin110001110101…
…010101110100
3220120200210211
4301311111310
511321013130
61143555204
7216016060
oct61652564
926520724
1013063540
117412916
12445bb04
132925109
141a40aa0
151230a2a
hexc75574

13063540 has 48 divisors (see below), whose sum is σ = 32723712. Its totient is φ = 4283136.

The previous prime is 13063537. The next prime is 13063559. The reversal of 13063540 is 4536031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (681744).

Almost surely, 213063540 is an apocalyptic number.

13063540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13063540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16361856).

13063540 is an abundant number, since it is smaller than the sum of its proper divisors (19660172).

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

13063540 is a wasteful number, since it uses less digits than its factorization.

13063540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13063540 is about 3614.3519474451. The cubic root of 13063540 is about 235.5159330069.

Adding to 13063540 its reverse (4536031), we get a palindrome (17599571).

The spelling of 13063540 in words is "thirteen million, sixty-three thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 4057 8114 16228 20285 28399 40570 56798 81140 93311 113596 141995 186622 283990 373244 466555 567980 653177 933110 1306354 1866220 2612708 3265885 6531770 13063540