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29420271 = 3231105449
BaseRepresentation
bin111000000111…
…0101011101111
32001100201000200
41300032223233
530012422041
62530324543
7505032246
oct160165357
961321020
1029420271
1115674981
129a29753
13613115a
143c9b95d
1528b21b6
hex1c0eaef

29420271 has 12 divisors (see below), whose sum is σ = 43867200. Its totient is φ = 18980640.

The previous prime is 29420267. The next prime is 29420309. The reversal of 29420271 is 17202492.

It is not a de Polignac number, because 29420271 - 22 = 29420267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29420201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52446 + ... + 53003.

It is an arithmetic number, because the mean of its divisors is an integer number (3655600).

Almost surely, 229420271 is an apocalyptic number.

29420271 is a deficient number, since it is larger than the sum of its proper divisors (14446929).

29420271 is a wasteful number, since it uses less digits than its factorization.

29420271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105486 (or 105483 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 29420271 is about 5424.0456303390. The cubic root of 29420271 is about 308.7087147231.

The spelling of 29420271 in words is "twenty-nine million, four hundred twenty thousand, two hundred seventy-one".

Divisors: 1 3 9 31 93 279 105449 316347 949041 3268919 9806757 29420271