Search a number
-
+
29001442 = 214500721
BaseRepresentation
bin110111010100…
…0011011100010
32000120102111111
41232220123202
524411021232
62513333534
7501336211
oct156503342
960512444
1029001442
1115409238
1298672aa
136015622
143bcd078
15282d047
hex1ba86e2

29001442 has 4 divisors (see below), whose sum is σ = 43502166. Its totient is φ = 14500720.

The previous prime is 29001431. The next prime is 29001457. The reversal of 29001442 is 24410092.

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

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 261121 = 5361^2 + 511^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7250359 + ... + 7250362.

Almost surely, 229001442 is an apocalyptic number.

29001442 is a deficient number, since it is larger than the sum of its proper divisors (14500724).

29001442 is a wasteful number, since it uses less digits than its factorization.

29001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14500723.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 29001442 is about 5385.2986918090. The cubic root of 29001442 is about 307.2367747610.

The spelling of 29001442 in words is "twenty-nine million, one thousand, four hundred forty-two".

Divisors: 1 2 14500721 29001442