Search a number
-
+
48281731 is a prime number
BaseRepresentation
bin1011100000101…
…1100010000011
310100211222002021
42320023202003
544330003411
64442502311
71124250031
oct270134203
9110758067
1048281731
1125287863
1214204997
13a006294
1465ab551
15438aa71
hex2e0b883

48281731 has 2 divisors, whose sum is σ = 48281732. Its totient is φ = 48281730.

The previous prime is 48281713. The next prime is 48281747. The reversal of 48281731 is 13718284.

It is a happy number.

Together with previous prime (48281713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48281731 - 219 = 47757443 is a prime.

It is a super-2 number, since 2×482817312 = 4662251096712722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48281711) 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 as a sum of consecutive naturals, namely, 24140865 + 24140866.

It is an arithmetic number, because the mean of its divisors is an integer number (24140866).

Almost surely, 248281731 is an apocalyptic number.

48281731 is a deficient number, since it is larger than the sum of its proper divisors (1).

48281731 is an equidigital number, since it uses as much as digits as its factorization.

48281731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 48281731 is about 6948.5056666883. The cubic root of 48281731 is about 364.1337586549.

The spelling of 48281731 in words is "forty-eight million, two hundred eighty-one thousand, seven hundred thirty-one".