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29408 = 25919
BaseRepresentation
bin111001011100000
31111100012
413023200
51420113
6344052
7151511
oct71340
944305
1029408
1120105
1215028
1310502
14aa08
158aa8
hex72e0

29408 has 12 divisors (see below), whose sum is σ = 57960. Its totient is φ = 14688.

The previous prime is 29401. The next prime is 29411. The reversal of 29408 is 80492.

29408 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29401) by changing a digit.

29408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428 + ... + 491.

It is an arithmetic number, because the mean of its divisors is an integer number (4830).

229408 is an apocalyptic number.

It is an amenable number.

29408 is a deficient number, since it is larger than the sum of its proper divisors (28552).

29408 is an equidigital number, since it uses as much as digits as its factorization.

29408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 29408 is about 171.4876088818. The cubic root of 29408 is about 30.8665788635.

The spelling of 29408 in words is "twenty-nine thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 919 1838 3676 7352 14704 29408