Search a number
-
+
48807749 is a prime number
BaseRepresentation
bin1011101000101…
…1111101000101
310101211200122102
42322023331011
544443321444
64502041445
71131600434
oct272137505
9111750572
1048807749
1125606a91
1214419285
13a15b833
1466a711b
15444184e
hex2e8bf45

48807749 has 2 divisors, whose sum is σ = 48807750. Its totient is φ = 48807748.

The previous prime is 48807721. The next prime is 48807763. The reversal of 48807749 is 94770884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 10144225 = 6218^2 + 3185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48807749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48807719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24403874 + 24403875.

It is an arithmetic number, because the mean of its divisors is an integer number (24403875).

Almost surely, 248807749 is an apocalyptic number.

It is an amenable number.

48807749 is a deficient number, since it is larger than the sum of its proper divisors (1).

48807749 is an equidigital number, since it uses as much as digits as its factorization.

48807749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 48807749 is about 6986.2542896748. The cubic root of 48807749 is about 365.4513687860.

The spelling of 48807749 in words is "forty-eight million, eight hundred seven thousand, seven hundred forty-nine".