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29353261 = 76168743
BaseRepresentation
bin110111111111…
…0010100101101
32001020022002211
41233332110231
530003301021
62525050421
7504333010
oct157762455
961208084
1029353261
11156295a3
1299b6a11
1361097c2
143c81377
15289c3e1
hex1bfe52d

29353261 has 8 divisors (see below), whose sum is σ = 34097024. Its totient is φ = 24747120.

The previous prime is 29353231. The next prime is 29353273. The reversal of 29353261 is 16235392.

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 29353261 - 25 = 29353229 is a prime.

It is a super-2 number, since 2×293532612 = 1723227862668242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29353201) 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, 33945 + ... + 34798.

It is an arithmetic number, because the mean of its divisors is an integer number (4262128).

Almost surely, 229353261 is an apocalyptic number.

It is an amenable number.

29353261 is a deficient number, since it is larger than the sum of its proper divisors (4743763).

29353261 is an equidigital number, since it uses as much as digits as its factorization.

29353261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68811.

The product of its digits is 9720, while the sum is 31.

The square root of 29353261 is about 5417.8649853978. The cubic root of 29353261 is about 308.4741565316.

The spelling of 29353261 in words is "twenty-nine million, three hundred fifty-three thousand, two hundred sixty-one".

Divisors: 1 7 61 427 68743 481201 4193323 29353261