Search a number
-
+
13305120 = 253553523
BaseRepresentation
bin110010110000…
…010100100000
3221000222012020
4302300110200
511401230440
61153101440
7221043303
oct62602440
927028166
1013305120
117568374
124557880
1329ab06a
141aa4b3a
15127c3d0
hexcb0520

13305120 has 96 divisors (see below), whose sum is σ = 42783552. Its totient is φ = 3474432.

The previous prime is 13305119. The next prime is 13305133. The reversal of 13305120 is 2150331.

It is a happy number.

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

It is a super-3 number, since 3×133051203 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13305120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25179 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (445662).

Almost surely, 213305120 is an apocalyptic number.

13305120 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 13305120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21391776).

13305120 is an abundant number, since it is smaller than the sum of its proper divisors (29478432).

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

13305120 is a wasteful number, since it uses less digits than its factorization.

13305120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13305120 is about 3647.6184010941. The cubic root of 13305120 is about 236.9588491639.

Adding to 13305120 its reverse (2150331), we get a palindrome (15455451).

The spelling of 13305120 in words is "thirteen million, three hundred five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 80 96 106 120 159 160 212 240 265 318 424 480 523 530 636 795 848 1046 1060 1272 1569 1590 1696 2092 2120 2544 2615 3138 3180 4184 4240 5088 5230 6276 6360 7845 8368 8480 10460 12552 12720 15690 16736 20920 25104 25440 27719 31380 41840 50208 55438 62760 83157 83680 110876 125520 138595 166314 221752 251040 277190 332628 415785 443504 554380 665256 831570 887008 1108760 1330512 1663140 2217520 2661024 3326280 4435040 6652560 13305120