Search a number
-
+
13305000 = 23354887
BaseRepresentation
bin110010110000…
…010010101000
3221000222000210
4302300102220
511401230000
61153101120
7221043042
oct62602250
927028023
1013305000
117568275
1245577a0
1329aaca7
141aa4a92
15127c350
hexcb04a8

13305000 has 80 divisors (see below), whose sum is σ = 41611680. Its totient is φ = 3544000.

The previous prime is 13304989. The next prime is 13305001. The reversal of 13305000 is 50331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (13305001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14557 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (520146).

Almost surely, 213305000 is an apocalyptic number.

13305000 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 13305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20805840).

13305000 is an abundant number, since it is smaller than the sum of its proper divisors (28306680).

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

13305000 is an equidigital number, since it uses as much as digits as its factorization.

13305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 13305000 is about 3647.6019519679. The cubic root of 13305000 is about 236.9581367778.

Adding to 13305000 its reverse (50331), we get a palindrome (13355331).

The spelling of 13305000 in words is "thirteen million, three hundred five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 625 750 887 1000 1250 1500 1774 1875 2500 2661 3000 3548 3750 4435 5000 5322 7096 7500 8870 10644 13305 15000 17740 21288 22175 26610 35480 44350 53220 66525 88700 106440 110875 133050 177400 221750 266100 332625 443500 532200 554375 665250 887000 1108750 1330500 1663125 2217500 2661000 3326250 4435000 6652500 13305000