[go: up one dir, main page]

Search a number
-
+
29144817 = 32131714653
BaseRepresentation
bin110111100101…
…1011011110001
32000211201011200
41233023123301
524430113232
62520401413
7502504212
oct157133361
960751150
1029144817
11154a6a29
129916269
136065970
143c29409
15285a77c
hex1bcb6f1

29144817 has 24 divisors (see below), whose sum is σ = 48006504. Its totient is φ = 16879104.

The previous prime is 29144807. The next prime is 29144833. The reversal of 29144817 is 71844192.

It can be written as a sum of positive squares in 4 ways, for example, as 7017201 + 22127616 = 2649^2 + 4704^2 .

It is not a de Polignac number, because 29144817 - 28 = 29144561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29144807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5338 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (2000271).

Almost surely, 229144817 is an apocalyptic number.

It is an amenable number.

29144817 is a deficient number, since it is larger than the sum of its proper divisors (18861687).

29144817 is a wasteful number, since it uses less digits than its factorization.

29144817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14689 (or 14686 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 29144817 is about 5398.5939836220. The cubic root of 29144817 is about 307.7422402122.

The spelling of 29144817 in words is "twenty-nine million, one hundred forty-four thousand, eight hundred seventeen".

Divisors: 1 3 9 13 17 39 51 117 153 221 663 1989 14653 43959 131877 190489 249101 571467 747303 1714401 2241909 3238313 9714939 29144817