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43378048 = 27748413
BaseRepresentation
bin1010010101111…
…0010110000000
310000121211111101
42211132112000
542101044143
64145424144
71034464420
oct245362600
9100554441
1043378048
112253862a
121263b054
138caa2ac
145a92480
153c1cb4d
hex295e580

43378048 has 32 divisors (see below), whose sum is σ = 98764560. Its totient is φ = 18590208.

The previous prime is 43378043. The next prime is 43378051. The reversal of 43378048 is 84087334.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 43377998 and 43378016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43378043) 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 3 ways as a sum of consecutive naturals, for example, 23311 + ... + 25102.

Almost surely, 243378048 is an apocalyptic number.

It is an amenable number.

43378048 is an abundant number, since it is smaller than the sum of its proper divisors (55386512).

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

43378048 is an equidigital number, since it uses as much as digits as its factorization.

43378048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48434 (or 48422 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 43378048 is about 6586.2013330903. The cubic root of 43378048 is about 351.3635192408.

The spelling of 43378048 in words is "forty-three million, three hundred seventy-eight thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 48413 96826 193652 338891 387304 677782 774608 1355564 1549216 2711128 3098432 5422256 6196864 10844512 21689024 43378048