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13067550 = 2325271409
BaseRepresentation
bin110001110110…
…010100011110
3220120220022100
4301312110132
511321130200
61144025530
7216033546
oct61662436
926526270
1013067550
117415931
1244622a6
132926ba2
141a42326
151231d00
hexc7651e

13067550 has 72 divisors (see below), whose sum is σ = 35689680. Its totient is φ = 3427200.

The previous prime is 13067539. The next prime is 13067563. The reversal of 13067550 is 5576031.

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 35 ways as a sum of consecutive naturals, for example, 31746 + ... + 32154.

It is an arithmetic number, because the mean of its divisors is an integer number (495690).

Almost surely, 213067550 is an apocalyptic number.

13067550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13067550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17844840).

13067550 is an abundant number, since it is smaller than the sum of its proper divisors (22622130).

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

13067550 is a wasteful number, since it uses less digits than its factorization.

13067550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 13067550 is about 3614.9066377985. The cubic root of 13067550 is about 235.5400286266.

The spelling of 13067550 in words is "thirteen million, sixty-seven thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 71 75 90 142 150 213 225 355 409 426 450 639 710 818 1065 1227 1278 1775 2045 2130 2454 3195 3550 3681 4090 5325 6135 6390 7362 10225 10650 12270 15975 18405 20450 29039 30675 31950 36810 58078 61350 87117 92025 145195 174234 184050 261351 290390 435585 522702 725975 871170 1306755 1451950 2177925 2613510 4355850 6533775 13067550