Search a number
-
+
48781247 is a prime number
BaseRepresentation
bin1011101000010…
…1011110111111
310101210100021212
42322011132333
544441444442
64501315035
71131430244
oct272053677
9111710255
1048781247
1125599089
1214405a7b
13a14c758
14669b5cb
154438a82
hex2e857bf

48781247 has 2 divisors, whose sum is σ = 48781248. Its totient is φ = 48781246.

The previous prime is 48781223. The next prime is 48781261. The reversal of 48781247 is 74218784.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48781247 - 210 = 48780223 is a prime.

It is a super-2 number, since 2×487812472 = 4759220117750018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48781547) 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 as a sum of consecutive naturals, namely, 24390623 + 24390624.

It is an arithmetic number, because the mean of its divisors is an integer number (24390624).

Almost surely, 248781247 is an apocalyptic number.

48781247 is a deficient number, since it is larger than the sum of its proper divisors (1).

48781247 is an equidigital number, since it uses as much as digits as its factorization.

48781247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 41.

The square root of 48781247 is about 6984.3573075839. The cubic root of 48781247 is about 365.3852116294.

The spelling of 48781247 in words is "forty-eight million, seven hundred eighty-one thousand, two hundred forty-seven".