Search a number
-
+
29012271 = 361158537
BaseRepresentation
bin110111010101…
…1000100101111
32000120222100120
41232223010233
524411343041
62513500023
7501412611
oct156530457
960528316
1029012271
1115416392
129871613
13601a532
143bd2db1
152831366
hex1bab12f

29012271 has 8 divisors (see below), whose sum is σ = 39317424. Its totient is φ = 19024320.

The previous prime is 29012231. The next prime is 29012279. The reversal of 29012271 is 17221092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29012271 - 214 = 28995887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29012279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79086 + ... + 79451.

It is an arithmetic number, because the mean of its divisors is an integer number (4914678).

Almost surely, 229012271 is an apocalyptic number.

29012271 is a deficient number, since it is larger than the sum of its proper divisors (10305153).

29012271 is a wasteful number, since it uses less digits than its factorization.

29012271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158601.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 29012271 is about 5386.3040203836. The cubic root of 29012271 is about 307.2750102508.

It can be divided in two parts, 290 and 12271, that added together give a triangular number (12561 = T158).

The spelling of 29012271 in words is "twenty-nine million, twelve thousand, two hundred seventy-one".

Divisors: 1 3 61 183 158537 475611 9670757 29012271