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48281997 = 316093999
BaseRepresentation
bin1011100000101…
…1100110001101
310100211222110010
42320023212031
544330010442
64442503433
71124250561
oct270134615
9110758403
1048281997
1125287a85
1214204b79
13a00643a
1465ab6a1
15438ab9c
hex2e0b98d

48281997 has 4 divisors (see below), whose sum is σ = 64376000. Its totient is φ = 32187996.

The previous prime is 48281941. The next prime is 48281999. The reversal of 48281997 is 79918284.

48281997 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48281997 - 216 = 48216461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48281999) 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, 8046997 + ... + 8047002.

It is an arithmetic number, because the mean of its divisors is an integer number (16094000).

Almost surely, 248281997 is an apocalyptic number.

It is an amenable number.

48281997 is a deficient number, since it is larger than the sum of its proper divisors (16094003).

48281997 is a wasteful number, since it uses less digits than its factorization.

48281997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094002.

The product of its digits is 290304, while the sum is 48.

The square root of 48281997 is about 6948.5248074681. The cubic root of 48281997 is about 364.1344273647.

The spelling of 48281997 in words is "forty-eight million, two hundred eighty-one thousand, nine hundred ninety-seven".

Divisors: 1 3 16093999 48281997