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29540271 = 3173891489
BaseRepresentation
bin111000010101…
…1111110101111
32001120210122010
41300223332233
530030242041
62533052303
7506042145
oct160537657
961523563
1029540271
1115747052
129a87093
136173967
143ccd595
1528d7a16
hex1c2bfaf

29540271 has 16 divisors (see below), whose sum is σ = 41839200. Its totient is φ = 18475008.

The previous prime is 29540267. The next prime is 29540311. The reversal of 29540271 is 17204592.

It is not a de Polignac number, because 29540271 - 22 = 29540267 is a prime.

It is a super-2 number, since 2×295402712 = 1745255221506882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29540201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19095 + ... + 20583.

It is an arithmetic number, because the mean of its divisors is an integer number (2614950).

Almost surely, 229540271 is an apocalyptic number.

29540271 is a deficient number, since it is larger than the sum of its proper divisors (12298929).

29540271 is a wasteful number, since it uses less digits than its factorization.

29540271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 29540271 is about 5435.0962272990. The cubic root of 29540271 is about 309.1278678177.

The spelling of 29540271 in words is "twenty-nine million, five hundred forty thousand, two hundred seventy-one".

Divisors: 1 3 17 51 389 1167 1489 4467 6613 19839 25313 75939 579221 1737663 9846757 29540271