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29097313 = 731134089
BaseRepresentation
bin110111011111…
…1110101100001
32000202022000021
41232333311201
524422103223
62515353441
7502215550
oct156776541
960668007
1029097313
1115474273
1298b2881
13604a15b
143c15d97
15284b65d
hex1bbfd61

29097313 has 8 divisors (see below), whose sum is σ = 34327040. Its totient is φ = 24135840.

The previous prime is 29097311. The next prime is 29097317. The reversal of 29097313 is 31379092.

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

It is a cyclic number.

It is not a de Polignac number, because 29097313 - 21 = 29097311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29097311) 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 7 ways as a sum of consecutive naturals, for example, 66828 + ... + 67261.

It is an arithmetic number, because the mean of its divisors is an integer number (4290880).

Almost surely, 229097313 is an apocalyptic number.

It is an amenable number.

29097313 is a deficient number, since it is larger than the sum of its proper divisors (5229727).

29097313 is a wasteful number, since it uses less digits than its factorization.

29097313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134127.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 29097313 is about 5394.1925252998. The cubic root of 29097313 is about 307.5749498930.

The spelling of 29097313 in words is "twenty-nine million, ninety-seven thousand, three hundred thirteen".

Divisors: 1 7 31 217 134089 938623 4156759 29097313