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29420000 = 25541471
BaseRepresentation
bin111000000111…
…0100111100000
32001100200122122
41300032213200
530012420000
62530323412
7505031411
oct160164740
961320578
1029420000
1115674755
129a29568
136130cac
143c9b808
1528b2085
hex1c0e9e0

29420000 has 60 divisors (see below), whose sum is σ = 72426816. Its totient is φ = 11760000.

The previous prime is 29419997. The next prime is 29420009. The reversal of 29420000 is 2492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29420009) 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 9 ways as a sum of consecutive naturals, for example, 19265 + ... + 20735.

Almost surely, 229420000 is an apocalyptic number.

29420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36213408).

29420000 is an abundant number, since it is smaller than the sum of its proper divisors (43006816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29420000 is an equidigital number, since it uses as much as digits as its factorization.

29420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 29420000 is about 5424.0206489282. The cubic root of 29420000 is about 308.7077668470.

Adding to 29420000 its reverse (2492), we get a palindrome (29422492).

The spelling of 29420000 in words is "twenty-nine million, four hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 1471 2000 2500 2942 4000 5000 5884 7355 10000 11768 14710 20000 23536 29420 36775 47072 58840 73550 117680 147100 183875 235360 294200 367750 588400 735500 919375 1176800 1471000 1838750 2942000 3677500 5884000 7355000 14710000 29420000