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26985120 = 2535173307
BaseRepresentation
bin110011011110…
…0001010100000
31212202222121220
41212330022200
523402010440
62402215040
7445240551
oct146741240
955688556
1026985120
1114261358
129054480
13578a936
143826328
1525808d0
hex19bc2a0

26985120 has 96 divisors (see below), whose sum is σ = 90030528. Its totient is φ = 6770688.

The previous prime is 26985071. The next prime is 26985163. The reversal of 26985120 is 2158962.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6507 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (937818).

Almost surely, 226985120 is an apocalyptic number.

26985120 is a gapful number since it is divisible by the number (20) 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 26985120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45015264).

26985120 is an abundant number, since it is smaller than the sum of its proper divisors (63045408).

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

26985120 is a wasteful number, since it uses less digits than its factorization.

26985120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 26985120 is about 5194.7203967105. The cubic root of 26985120 is about 299.9448787617.

The spelling of 26985120 in words is "twenty-six million, nine hundred eighty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 2040 2720 3307 4080 6614 8160 9921 13228 16535 19842 26456 33070 39684 49605 52912 56219 66140 79368 99210 105824 112438 132280 158736 168657 198420 224876 264560 281095 317472 337314 396840 449752 529120 562190 674628 793680 843285 899504 1124380 1349256 1587360 1686570 1799008 2248760 2698512 3373140 4497520 5397024 6746280 8995040 13492560 26985120