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48480921 = 325386769
BaseRepresentation
bin1011100011110…
…0001010011001
310101020002022200
42320330022121
544402342141
64451040413
71126036536
oct270741231
9111202280
1048480921
1125403485
12142a0109
13a075b48
14661dd8d
1543c9ab6
hex2e3c299

48480921 has 6 divisors (see below), whose sum is σ = 70028010. Its totient is φ = 32320608.

The previous prime is 48480907. The next prime is 48480937. The reversal of 48480921 is 12908484.

48480921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27878400 + 20602521 = 5280^2 + 4539^2 .

It is not a de Polignac number, because 48480921 - 27 = 48480793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48480521) 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 5 ways as a sum of consecutive naturals, for example, 2693376 + ... + 2693393.

It is an arithmetic number, because the mean of its divisors is an integer number (11671335).

Almost surely, 248480921 is an apocalyptic number.

It is an amenable number.

48480921 is a deficient number, since it is larger than the sum of its proper divisors (21547089).

48480921 is a wasteful number, since it uses less digits than its factorization.

48480921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386775 (or 5386772 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 48480921 is about 6962.8242114820. The cubic root of 48480921 is about 364.6338255518.

The spelling of 48480921 in words is "forty-eight million, four hundred eighty thousand, nine hundred twenty-one".

Divisors: 1 3 9 5386769 16160307 48480921