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29129307 = 314896521
BaseRepresentation
bin110111100011…
…1101001011011
32000210220220020
41233013221123
524424114212
62520201523
7502411044
oct157075133
960726806
1029129307
1115496309
1299092a3
13605b89c
143c238cb
152855d8c
hex1bc7a5b

29129307 has 8 divisors (see below), whose sum is σ = 38871120. Its totient is φ = 19403520.

The previous prime is 29129281. The next prime is 29129333. The reversal of 29129307 is 70392192.

It is an interprime number because it is at equal distance from previous prime (29129281) and next prime (29129333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29129307 - 27 = 29129179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29129357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (4858890).

Almost surely, 229129307 is an apocalyptic number.

29129307 is a deficient number, since it is larger than the sum of its proper divisors (9741813).

29129307 is a wasteful number, since it uses less digits than its factorization.

29129307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 29129307 is about 5397.1573073239. The cubic root of 29129307 is about 307.6876401199.

The spelling of 29129307 in words is "twenty-nine million, one hundred twenty-nine thousand, three hundred seven".

Divisors: 1 3 1489 4467 6521 19563 9709769 29129307