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29129124 = 2232427427
BaseRepresentation
bin110111100011…
…1100110100100
32000210220122110
41233013212210
524424112444
62520201020
7502410363
oct157074644
960726573
1029129124
1115496162
129909170
13605b78b
143c237da
152855cb9
hex1bc79a4

29129124 has 12 divisors (see below), whose sum is σ = 67967984. Its totient is φ = 9709704.

The previous prime is 29129123. The next prime is 29129129. The reversal of 29129124 is 42192192.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 29129091 and 29129100.

It is not an unprimeable number, because it can be changed into a prime (29129123) 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, 1213702 + ... + 1213725.

Almost surely, 229129124 is an apocalyptic number.

It is an amenable number.

29129124 is an abundant number, since it is smaller than the sum of its proper divisors (38838860).

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

29129124 is a wasteful number, since it uses less digits than its factorization.

29129124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427434 (or 2427432 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 29129124 is about 5397.1403539282. The cubic root of 29129124 is about 307.6869957865.

The spelling of 29129124 in words is "twenty-nine million, one hundred twenty-nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 2427427 4854854 7282281 9709708 14564562 29129124