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29708841 = 34724483
BaseRepresentation
bin111000101010…
…1001000101001
32001220100212110
41301111020221
530101140331
62540432533
7510343461
oct161251051
961810773
1029708841
1115851768
129b48749
1362025c6
143d34ba1
15291c946
hex1c55229

29708841 has 12 divisors (see below), whose sum is σ = 40481552. Its totient is φ = 19380168.

The previous prime is 29708831. The next prime is 29708929. The reversal of 29708841 is 14880792.

It is not a de Polignac number, because 29708841 - 210 = 29707817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29708841.

It is not an unprimeable number, because it can be changed into a prime (29708821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4386 + ... + 8868.

Almost surely, 229708841 is an apocalyptic number.

It is an amenable number.

29708841 is a deficient number, since it is larger than the sum of its proper divisors (10772711).

29708841 is an equidigital number, since it uses as much as digits as its factorization.

29708841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 29708841 is about 5450.5817120744. The cubic root of 29708841 is about 309.7147601692.

It can be divided in two parts, 2970 and 8841, that added together give a palindrome (11811).

The spelling of 29708841 in words is "twenty-nine million, seven hundred eight thousand, eight hundred forty-one".

Divisors: 1 3 47 141 2209 4483 6627 13449 210701 632103 9902947 29708841