Search a number
-
+
47448953 is a prime number
BaseRepresentation
bin1011010100000…
…0001101111001
310022021122201122
42311000031321
544121331303
64412555025
71114211066
oct265001571
9108248648
1047448953
1124869112
1213a82a75
139aa4206
146431c6d
154273e38
hex2d40379

47448953 has 2 divisors, whose sum is σ = 47448954. Its totient is φ = 47448952.

The previous prime is 47448949. The next prime is 47448979. The reversal of 47448953 is 35984474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 3717184 = 6613^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 47448953 - 22 = 47448949 is a prime.

It is not a weakly prime, because it can be changed into another prime (47448923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23724476 + 23724477.

It is an arithmetic number, because the mean of its divisors is an integer number (23724477).

Almost surely, 247448953 is an apocalyptic number.

It is an amenable number.

47448953 is a deficient number, since it is larger than the sum of its proper divisors (1).

47448953 is an equidigital number, since it uses as much as digits as its factorization.

47448953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 47448953 is about 6888.3200419260. The cubic root of 47448953 is about 362.0280418435.

The spelling of 47448953 in words is "forty-seven million, four hundred forty-eight thousand, nine hundred fifty-three".