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13379580 = 223552753
BaseRepresentation
bin110011000010…
…011111111100
3221011202100000
4303002133330
511411121310
61154434300
7221503344
oct63023774
927152300
1013379580
117609305
124592990
132a05c16
141ac3d24
1512944c0
hexcc27fc

13379580 has 72 divisors (see below), whose sum is σ = 42103152. Its totient is φ = 3566592.

The previous prime is 13379573. The next prime is 13379581. The reversal of 13379580 is 8597331.

13379580 is a `hidden beast` number, since 1 + 3 + 3 + 79 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3484 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (584766).

Almost surely, 213379580 is an apocalyptic number.

13379580 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 13379580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21051576).

13379580 is an abundant number, since it is smaller than the sum of its proper divisors (28723572).

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

13379580 is a wasteful number, since it uses less digits than its factorization.

13379580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13379580 is about 3657.8108206959. The cubic root of 13379580 is about 237.4000613687.

The spelling of 13379580 in words is "thirteen million, three hundred seventy-nine thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 2753 4860 5506 8259 11012 13765 16518 24777 27530 33036 41295 49554 55060 74331 82590 99108 123885 148662 165180 222993 247770 297324 371655 445986 495540 668979 743310 891972 1114965 1337958 1486620 2229930 2675916 3344895 4459860 6689790 13379580