Search a number
-
+
29133897 = 3131939317
BaseRepresentation
bin110111100100…
…0110001001001
32000211011012020
41233020301021
524424241042
62520235053
7502430322
oct157106111
960734166
1029133897
1115499801
12990ba89
1360609c0
143c25449
1528573ec
hex1bc8c49

29133897 has 16 divisors (see below), whose sum is σ = 44036160. Its totient is φ = 16984512.

The previous prime is 29133889. The next prime is 29133899. The reversal of 29133897 is 79833192.

It is not a de Polignac number, because 29133897 - 23 = 29133889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29133899) 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, 18918 + ... + 20399.

It is an arithmetic number, because the mean of its divisors is an integer number (2752260).

Almost surely, 229133897 is an apocalyptic number.

It is an amenable number.

29133897 is a deficient number, since it is larger than the sum of its proper divisors (14902263).

29133897 is a wasteful number, since it uses less digits than its factorization.

29133897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39352.

The product of its digits is 81648, while the sum is 42.

The square root of 29133897 is about 5397.5825144225. The cubic root of 29133897 is about 307.7038003864.

The spelling of 29133897 in words is "twenty-nine million, one hundred thirty-three thousand, eight hundred ninety-seven".

Divisors: 1 3 13 19 39 57 247 741 39317 117951 511121 747023 1533363 2241069 9711299 29133897