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134441420 = 22531216841
BaseRepresentation
bin10000000001101…
…10100111001100
3100100222022221212
420000312213030
5233404111140
621201313552
73221506331
oct1000664714
9310868855
10134441420
1169985913
12390358b8
1321b12249
1413bd8988
15bc09765
hex80369cc

134441420 has 24 divisors (see below), whose sum is σ = 291435648. Its totient is φ = 52041600.

The previous prime is 134441413. The next prime is 134441441. The reversal of 134441420 is 24144431.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107801 + ... + 109040.

It is an arithmetic number, because the mean of its divisors is an integer number (12143152).

Almost surely, 2134441420 is an apocalyptic number.

134441420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134441420 is an abundant number, since it is smaller than the sum of its proper divisors (156994228).

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

134441420 is a wasteful number, since it uses less digits than its factorization.

134441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216881 (or 216879 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 134441420 is about 11594.8876665537. The cubic root of 134441420 is about 512.2842812143.

Adding to 134441420 its reverse (24144431), we get a palindrome (158585851).

The spelling of 134441420 in words is "one hundred thirty-four million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 216841 433682 867364 1084205 2168410 4336820 6722071 13444142 26888284 33610355 67220710 134441420