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29540538 = 23620261
BaseRepresentation
bin111000010110…
…0000010111010
32001120211000000
41300230002322
530030244123
62533053430
7506043006
oct160540272
961524000
1029540538
1115747275
129a87276
136173b11
143ccd706
1528d7b43
hex1c2c0ba

29540538 has 28 divisors (see below), whose sum is σ = 66439098. Its totient is φ = 9846360.

The previous prime is 29540521. The next prime is 29540561. The reversal of 29540538 is 83504592.

It can be written as a sum of positive squares in only one way, i.e., 29452329 + 88209 = 5427^2 + 297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8673 + ... + 11588.

Almost surely, 229540538 is an apocalyptic number.

29540538 is an abundant number, since it is smaller than the sum of its proper divisors (36898560).

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

29540538 is an equidigital number, since it uses as much as digits as its factorization.

29540538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20281 (or 20266 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 29540538 is about 5435.1207898261. The cubic root of 29540538 is about 309.1287991665.

The spelling of 29540538 in words is "twenty-nine million, five hundred forty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 20261 40522 60783 121566 182349 364698 547047 1094094 1641141 3282282 4923423 9846846 14770269 29540538