Search a number
-
+
49694947 is a prime number
BaseRepresentation
bin1011110110010…
…0100011100011
310110111202122121
42331210203203
5100210214242
64533045111
71142254141
oct275444343
9113452577
1049694947
1126062605
1214786797
13a3ac5c3
146858591
154569667
hex2f648e3

49694947 has 2 divisors, whose sum is σ = 49694948. Its totient is φ = 49694946.

The previous prime is 49694921. The next prime is 49694963. The reversal of 49694947 is 74949694.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49694947 - 27 = 49694819 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49694894 and 49694903.

It is not a weakly prime, because it can be changed into another prime (49694347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24847473 + 24847474.

It is an arithmetic number, because the mean of its divisors is an integer number (24847474).

Almost surely, 249694947 is an apocalyptic number.

49694947 is a deficient number, since it is larger than the sum of its proper divisors (1).

49694947 is an equidigital number, since it uses as much as digits as its factorization.

49694947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 49694947 is about 7049.4643058888. The cubic root of 49694947 is about 367.6524044329.

The spelling of 49694947 in words is "forty-nine million, six hundred ninety-four thousand, nine hundred forty-seven".