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48721333 = 181126903
BaseRepresentation
bin1011100111011…
…0110110110101
310101200022002211
42321312312311
544433040313
64500133421
71131060463
oct271666665
9111608084
1048721333
1125558071
1214397271
13a12b3bb
146683833
154425e3d
hex2e76db5

48721333 has 4 divisors (see below), whose sum is σ = 48750048. Its totient is φ = 48692620.

The previous prime is 48721331. The next prime is 48721349. The reversal of 48721333 is 33312784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48721333 - 21 = 48721331 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48721295 and 48721304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48721331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11641 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (12187512).

Almost surely, 248721333 is an apocalyptic number.

It is an amenable number.

48721333 is a deficient number, since it is larger than the sum of its proper divisors (28715).

48721333 is a wasteful number, since it uses less digits than its factorization.

48721333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714.

The product of its digits is 12096, while the sum is 31.

The square root of 48721333 is about 6980.0668334909. The cubic root of 48721333 is about 365.2355594603.

The spelling of 48721333 in words is "forty-eight million, seven hundred twenty-one thousand, three hundred thirty-three".

Divisors: 1 1811 26903 48721333