Search a number
-
+
29112061 = 112646551
BaseRepresentation
bin110111100001…
…1011011111101
32000210001020111
41233003123331
524423041221
62515550021
7502306546
oct157033375
960701214
1029112061
1115484360
1298bb311
136053a94
143c1b4cd
152850be1
hex1bc36fd

29112061 has 4 divisors (see below), whose sum is σ = 31758624. Its totient is φ = 26465500.

The previous prime is 29112049. The next prime is 29112107. The reversal of 29112061 is 16021192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29112061 - 29 = 29111549 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 (29112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323265 + ... + 1323286.

It is an arithmetic number, because the mean of its divisors is an integer number (7939656).

Almost surely, 229112061 is an apocalyptic number.

It is an amenable number.

29112061 is a deficient number, since it is larger than the sum of its proper divisors (2646563).

29112061 is a wasteful number, since it uses less digits than its factorization.

29112061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646562.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 29112061 is about 5395.5593778588. The cubic root of 29112061 is about 307.6269059985.

The spelling of 29112061 in words is "twenty-nine million, one hundred twelve thousand, sixty-one".

Divisors: 1 11 2646551 29112061