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48001321 = 371297333
BaseRepresentation
bin1011011100011…
…1000100101001
310100022201102201
42313013010221
544242020241
64432500201
71122001354
oct267070451
9110281381
1048001321
1125106115
12140aa661
139c38764
14653729b
154332931
hex2dc7129

48001321 has 4 divisors (see below), whose sum is σ = 49298692. Its totient is φ = 46703952.

The previous prime is 48001313. The next prime is 48001333. The reversal of 48001321 is 12310084.

48001321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 6579225 = 6436^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 48001321 - 23 = 48001313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48001721) 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 3 ways as a sum of consecutive naturals, for example, 648630 + ... + 648703.

It is an arithmetic number, because the mean of its divisors is an integer number (12324673).

Almost surely, 248001321 is an apocalyptic number.

It is an amenable number.

48001321 is a deficient number, since it is larger than the sum of its proper divisors (1297371).

48001321 is a wasteful number, since it uses less digits than its factorization.

48001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297370.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 48001321 is about 6928.2985645828. The cubic root of 48001321 is about 363.4274524474.

The spelling of 48001321 in words is "forty-eight million, one thousand, three hundred twenty-one".

Divisors: 1 37 1297333 48001321