Search a number
-
+
29144707 = 54753281
BaseRepresentation
bin110111100101…
…1011010000011
32000211201000121
41233023122003
524430112312
62520401111
7502503664
oct157133203
960751017
1029144707
11154a6939
129916197
1360658b7
143c2936b
15285a707
hex1bcb683

29144707 has 4 divisors (see below), whose sum is σ = 29198536. Its totient is φ = 29090880.

The previous prime is 29144701. The next prime is 29144711. The reversal of 29144707 is 70744192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29144707 - 23 = 29144699 is a prime.

It is a super-2 number, since 2×291447072 = 1698827892231698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29144701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26094 + ... + 27187.

It is an arithmetic number, because the mean of its divisors is an integer number (7299634).

Almost surely, 229144707 is an apocalyptic number.

29144707 is a deficient number, since it is larger than the sum of its proper divisors (53829).

29144707 is an equidigital number, since it uses as much as digits as its factorization.

29144707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53828.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 29144707 is about 5398.5837957746. The cubic root of 29144707 is about 307.7418530457.

Adding to 29144707 its reverse (70744192), we get a palindrome (99888899).

The spelling of 29144707 in words is "twenty-nine million, one hundred forty-four thousand, seven hundred seven".

Divisors: 1 547 53281 29144707