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13883680 = 255194567
BaseRepresentation
bin110100111101…
…100100100000
3222010100211101
4310331210200
512023234210
61213324144
7226003126
oct64754440
928110741
1013883680
117923018
124796654
132b514c5
141bb5916
151343a3a
hexd3d920

13883680 has 48 divisors (see below), whose sum is σ = 34534080. Its totient is φ = 5260032.

The previous prime is 13883669. The next prime is 13883689. The reversal of 13883680 is 8638831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883689) 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 7 ways as a sum of consecutive naturals, for example, 757 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (719460).

Almost surely, 213883680 is an apocalyptic number.

13883680 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 13883680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17267040).

13883680 is an abundant number, since it is smaller than the sum of its proper divisors (20650400).

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

13883680 is a wasteful number, since it uses less digits than its factorization.

13883680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601 (or 4593 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13883680 is about 3726.0810511850. The cubic root of 13883680 is about 240.3448745561.

The spelling of 13883680 in words is "thirteen million, eight hundred eighty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 4567 9134 18268 22835 36536 45670 73072 86773 91340 146144 173546 182680 347092 365360 433865 694184 730720 867730 1388368 1735460 2776736 3470920 6941840 13883680