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29129144 = 2311331013
BaseRepresentation
bin110111100011…
…1100110111000
32000210220200012
41233013212320
524424113034
62520201052
7502410422
oct157074670
960726605
1029129144
1115496180
129909188
13605b7a5
143c23812
152855cce
hex1bc79b8

29129144 has 16 divisors (see below), whose sum is σ = 59582520. Its totient is φ = 13240480.

The previous prime is 29129141. The next prime is 29129159. The reversal of 29129144 is 44192192.

It is a self number, because there is not a number n which added to its sum of digits gives 29129144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29129141) 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, 165419 + ... + 165594.

Almost surely, 229129144 is an apocalyptic number.

It is an amenable number.

29129144 is an abundant number, since it is smaller than the sum of its proper divisors (30453376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29129144 is a wasteful number, since it uses less digits than its factorization.

29129144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331030 (or 331026 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 29129144 is about 5397.1422067609. The cubic root of 29129144 is about 307.6870662056.

The spelling of 29129144 in words is "twenty-nine million, one hundred twenty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 331013 662026 1324052 2648104 3641143 7282286 14564572 29129144