Search a number
-
+
13501023 = 323389503
BaseRepresentation
bin110011100000…
…001001011111
3221101220220220
4303200021133
511424013043
61201212423
7222520404
oct63401137
927356826
1013501023
117691578
124631113
132a49293
141b162ab
1512ba483
hexce025f

13501023 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 8570144.

The previous prime is 13501003. The next prime is 13501031. The reversal of 13501023 is 32010531.

It is a happy number.

13501023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13501023 - 26 = 13500959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13500993 and 13501011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26590 + ... + 27092.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 213501023 is an apocalyptic number.

13501023 is a deficient number, since it is larger than the sum of its proper divisors (5368737).

13501023 is a wasteful number, since it uses less digits than its factorization.

13501023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

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

The square root of 13501023 is about 3674.3738242046. The cubic root of 13501023 is about 238.1161721295.

Adding to 13501023 its reverse (32010531), we get a palindrome (45511554).

The spelling of 13501023 in words is "thirteen million, five hundred one thousand, twenty-three".

Divisors: 1 3 23 69 389 503 1167 1509 8947 11569 26841 34707 195667 587001 4500341 13501023