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29381417 = 135773917
BaseRepresentation
bin111000000010…
…1001100101001
32001021201201122
41300011030221
530010201132
62525425025
7504511052
oct160051451
961251648
1029381417
111564876a
129a0b175
136119570
143c8b729
1528a5912
hex1c05329

29381417 has 8 divisors (see below), whose sum is σ = 31704456. Its totient is φ = 27067392.

The previous prime is 29381413. The next prime is 29381477. The reversal of 29381417 is 71418392.

It can be written as a sum of positive squares in 4 ways, for example, as 12645136 + 16736281 = 3556^2 + 4091^2 .

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 29381417 - 22 = 29381413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29381413) 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, 5543 + ... + 9459.

It is an arithmetic number, because the mean of its divisors is an integer number (3963057).

Almost surely, 229381417 is an apocalyptic number.

It is an amenable number.

29381417 is a deficient number, since it is larger than the sum of its proper divisors (2323039).

29381417 is a wasteful number, since it uses less digits than its factorization.

29381417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507.

The product of its digits is 12096, while the sum is 35.

The square root of 29381417 is about 5420.4628031193. The cubic root of 29381417 is about 308.5727557160.

The spelling of 29381417 in words is "twenty-nine million, three hundred eighty-one thousand, four hundred seventeen".

Divisors: 1 13 577 3917 7501 50921 2260109 29381417