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29075120 = 245363439
BaseRepresentation
bin110111011101…
…0011010110000
32000201011120022
41232322122300
524420400440
62515103012
7502064054
oct156723260
960634508
1029075120
1115459628
1298a1a68
136040019
143c0bc64
152844cb5
hex1bba6b0

29075120 has 20 divisors (see below), whose sum is σ = 67599840. Its totient is φ = 11630016.

The previous prime is 29075113. The next prime is 29075129. The reversal of 29075120 is 2157092.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 29075120.

It is not an unprimeable number, because it can be changed into a prime (29075129) 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, 181640 + ... + 181799.

It is an arithmetic number, because the mean of its divisors is an integer number (3379992).

Almost surely, 229075120 is an apocalyptic number.

29075120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29075120 is an abundant number, since it is smaller than the sum of its proper divisors (38524720).

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

29075120 is a wasteful number, since it uses less digits than its factorization.

29075120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363452 (or 363446 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 29075120 is about 5392.1350131465. The cubic root of 29075120 is about 307.4967325098.

The spelling of 29075120 in words is "twenty-nine million, seventy-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 363439 726878 1453756 1817195 2907512 3634390 5815024 7268780 14537560 29075120