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13079880 = 2334511367
BaseRepresentation
bin110001111001…
…010101001000
3220121112020000
4301321111020
511322024010
61144203000
7216114522
oct61712510
926545200
1013079880
117424120
124469460
13292c698
141a46a12
1512357c0
hexc79548

13079880 has 160 divisors (see below), whose sum is σ = 48090240. Its totient is φ = 3162240.

The previous prime is 13079873. The next prime is 13079881. The reversal of 13079880 is 8897031.

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 (13079881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35457 + ... + 35823.

It is an arithmetic number, because the mean of its divisors is an integer number (300564).

Almost surely, 213079880 is an apocalyptic number.

13079880 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 13079880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24045120).

13079880 is an abundant number, since it is smaller than the sum of its proper divisors (35010360).

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

13079880 is a wasteful number, since it uses less digits than its factorization.

13079880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 13079880 is about 3616.6116739291. The cubic root of 13079880 is about 235.6140872834.

The spelling of 13079880 in words is "thirteen million, seventy-nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 81 88 90 99 108 110 120 132 135 162 165 180 198 216 220 264 270 297 324 330 360 367 396 405 440 495 540 594 648 660 734 792 810 891 990 1080 1101 1188 1320 1468 1485 1620 1782 1835 1980 2202 2376 2936 2970 3240 3303 3564 3670 3960 4037 4404 4455 5505 5940 6606 7128 7340 8074 8808 8910 9909 11010 11880 12111 13212 14680 16148 16515 17820 19818 20185 22020 24222 26424 29727 32296 33030 35640 36333 39636 40370 44040 48444 49545 59454 60555 66060 72666 79272 80740 96888 99090 108999 118908 121110 132120 145332 148635 161480 181665 198180 217998 237816 242220 290664 297270 326997 363330 396360 435996 484440 544995 594540 653994 726660 871992 1089990 1189080 1307988 1453320 1634985 2179980 2615976 3269970 4359960 6539940 13079880