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29040769 = 31953983
BaseRepresentation
bin110111011001…
…0000010000001
32000122102110001
41232302002001
524413301034
62514240001
7501561652
oct156620201
960572401
1029040769
111543583a
129886001
13602a4b4
143bdd529
152839a14
hex1bb2081

29040769 has 8 divisors (see below), whose sum is σ = 30039552. Its totient is φ = 28045920.

The previous prime is 29040719. The next prime is 29040793. The reversal of 29040769 is 96704092.

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 29040769 - 211 = 29038721 is a prime.

It is a super-2 number, since 2×290407692 = 1686732528222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29040719) 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, 29052 + ... + 30034.

It is an arithmetic number, because the mean of its divisors is an integer number (3754944).

Almost surely, 229040769 is an apocalyptic number.

It is an amenable number.

29040769 is a deficient number, since it is larger than the sum of its proper divisors (998783).

29040769 is an equidigital number, since it uses as much as digits as its factorization.

29040769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 29040769 is about 5388.9487843178. The cubic root of 29040769 is about 307.3755867464.

The spelling of 29040769 in words is "twenty-nine million, forty thousand, seven hundred sixty-nine".

Divisors: 1 31 953 983 29543 30473 936799 29040769