Search a number
-
+
13461020 = 2254491499
BaseRepresentation
bin110011010110…
…011000011100
3221022220001022
4303112120130
511421223040
61200303312
7222262646
oct63263034
927286038
1013461020
117664511
124611b38
132a34001
141b05896
1512ad6b5
hexcd661c

13461020 has 24 divisors (see below), whose sum is σ = 28350000. Its totient is φ = 5368832.

The previous prime is 13461011. The next prime is 13461031. The reversal of 13461020 is 2016431.

13461020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13461020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (1181250).

Almost surely, 213461020 is an apocalyptic number.

13461020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13461020 is an abundant number, since it is smaller than the sum of its proper divisors (14888980).

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

13461020 is a wasteful number, since it uses less digits than its factorization.

13461020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13461020 is about 3668.9262734484. The cubic root of 13461020 is about 237.8807631903.

Adding to 13461020 its reverse (2016431), we get a palindrome (15477451).

The spelling of 13461020 in words is "thirteen million, four hundred sixty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 449 898 1499 1796 2245 2998 4490 5996 7495 8980 14990 29980 673051 1346102 2692204 3365255 6730510 13461020