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29421325 = 523137963
BaseRepresentation
bin111000000111…
…0111100001101
32001100202110201
41300032330031
530012440300
62530333501
7505035313
oct160167415
961322421
1029421325
111567574a
129a2a291
13613178b
143c9c0b3
1528b266a
hex1c0ef0d

29421325 has 12 divisors (see below), whose sum is σ = 37660288. Its totient is φ = 22777200.

The previous prime is 29421323. The next prime is 29421377. The reversal of 29421325 is 52312492.

It is not a de Polignac number, because 29421325 - 21 = 29421323 is a prime.

It is a super-2 number, since 2×294213252 = 1731228729511250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29421293 and 29421302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29421323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18207 + ... + 19756.

Almost surely, 229421325 is an apocalyptic number.

29421325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29421325 is a deficient number, since it is larger than the sum of its proper divisors (8238963).

29421325 is a wasteful number, since it uses less digits than its factorization.

29421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004 (or 37999 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 29421325 is about 5424.1427894184. The cubic root of 29421325 is about 308.7124012414.

The spelling of 29421325 in words is "twenty-nine million, four hundred twenty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 31 155 775 37963 189815 949075 1176853 5884265 29421325