Search a number
-
+
13420950 = 2352131683
BaseRepresentation
bin110011001100…
…100110010110
3221020212002020
4303030212112
511413432300
61155354010
7222035064
oct63144626
927225066
1013420950
1176373a4
1245b2906
132a1b9ba
141ad5034
1512a18a0
hexccc996

13420950 has 48 divisors (see below), whose sum is σ = 33587136. Its totient is φ = 3546400.

The previous prime is 13420949. The next prime is 13420961. The reversal of 13420950 is 5902431.

13420950 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13420950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19309 + ... + 19991.

It is an arithmetic number, because the mean of its divisors is an integer number (699732).

Almost surely, 213420950 is an apocalyptic number.

13420950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13420950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16793568).

13420950 is an abundant number, since it is smaller than the sum of its proper divisors (20166186).

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

13420950 is a wasteful number, since it uses less digits than its factorization.

13420950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13420950 is about 3663.4614778922. The cubic root of 13420950 is about 237.6444919459.

The spelling of 13420950 in words is "thirteen million, four hundred twenty thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 131 150 262 393 655 683 786 1310 1366 1965 2049 3275 3415 3930 4098 6550 6830 9825 10245 17075 19650 20490 34150 51225 89473 102450 178946 268419 447365 536838 894730 1342095 2236825 2684190 4473650 6710475 13420950