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13384140 = 22357112897
BaseRepresentation
bin110011000011…
…100111001100
3221011222120220
4303003213030
511411243030
61154511340
7221522550
oct63034714
927158526
1013384140
117611780
124595550
132a08013
141ac5860
151295a10
hexcc39cc

13384140 has 96 divisors (see below), whose sum is σ = 46738944. Its totient is φ = 2780160.

The previous prime is 13384127. The next prime is 13384181. The reversal of 13384140 is 4148331.

13384140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13384140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3172 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (486864).

Almost surely, 213384140 is an apocalyptic number.

13384140 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 13384140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23369472).

13384140 is an abundant number, since it is smaller than the sum of its proper divisors (33354804).

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

13384140 is a wasteful number, since it uses less digits than its factorization.

13384140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13384140 is about 3658.4340912472. The cubic root of 13384140 is about 237.4270283667.

The spelling of 13384140 in words is "thirteen million, three hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 2897 4620 5794 8691 11588 14485 17382 20279 28970 31867 34764 40558 43455 57940 60837 63734 81116 86910 95601 101395 121674 127468 159335 173820 191202 202790 223069 243348 304185 318670 382404 405580 446138 478005 608370 637340 669207 892276 956010 1115345 1216740 1338414 1912020 2230690 2676828 3346035 4461380 6692070 13384140