Search a number
-
+
29152117 = 49575881
BaseRepresentation
bin110111100110…
…1001101110101
32000212002012001
41233031031311
524430331432
62520455301
7502534411
oct157151565
960762161
1029152117
1115501465
12991a531
136069097
143c2bd41
15285c9e7
hex1bcd375

29152117 has 4 divisors (see below), whose sum is σ = 29162956. Its totient is φ = 29141280.

The previous prime is 29152111. The next prime is 29152129. The reversal of 29152117 is 71125192.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24512401 + 4639716 = 4951^2 + 2154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29152117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29152111) 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, 2017 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (7290739).

Almost surely, 229152117 is an apocalyptic number.

It is an amenable number.

29152117 is a deficient number, since it is larger than the sum of its proper divisors (10839).

29152117 is an equidigital number, since it uses as much as digits as its factorization.

29152117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838.

The product of its digits is 1260, while the sum is 28.

The square root of 29152117 is about 5399.2700432558. The cubic root of 29152117 is about 307.7679318107.

The spelling of 29152117 in words is "twenty-nine million, one hundred fifty-two thousand, one hundred seventeen".

Divisors: 1 4957 5881 29152117