Search a number
-
+
9014932809 = 32316492
BaseRepresentation
bin10000110010101010…
…01111010101001001
3212021021012000222100
420121111033111021
5121430310322214
64050313144013
7436253443641
oct103125172511
925237160870
109014932809
1139067704a3
1218b70bb009
13b088ab18c
146173c1521
1537b67b309
hex21954f549

9014932809 has 9 divisors (see below), whose sum is σ = 13021981063. Its totient is φ = 6009765312.

The previous prime is 9014932781. The next prime is 9014932889. The reversal of 9014932809 is 9082394109.

The square root of 9014932809 is 94947.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7885972809 + 1128960000 = 88803^2 + 33600^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 9014932809 - 231 = 6867449161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9014932889) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 269017 + ... + 300665.

Almost surely, 29014932809 is an apocalyptic number.

9014932809 is the 94947-th square number.

9014932809 is the 47474-th centered octagonal number.

It is an amenable number.

9014932809 is a deficient number, since it is larger than the sum of its proper divisors (4007048254).

9014932809 is an frugal number, since it uses more digits than its factorization.

9014932809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63304 (or 31652 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The cubic root of 9014932809 is about 2081.2336130950.

The spelling of 9014932809 in words is "nine billion, fourteen million, nine hundred thirty-two thousand, eight hundred nine".

Divisors: 1 3 9 31649 94947 284841 1001659201 3004977603 9014932809