Search a number
-
+
49049449 is a prime number
BaseRepresentation
bin1011101100011…
…0111101101001
310102021222012021
42323012331221
5100024040244
64511144441
71133625211
oct273067551
9112258167
1049049449
1125761639
1214515121
13a214857
14672b241
15448d284
hex2ec6f69

49049449 has 2 divisors, whose sum is σ = 49049450. Its totient is φ = 49049448.

The previous prime is 49049423. The next prime is 49049453. The reversal of 49049449 is 94494094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36517849 + 12531600 = 6043^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 49049449 - 25 = 49049417 is a prime.

It is not a weakly prime, because it can be changed into another prime (49049419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24524724 + 24524725.

It is an arithmetic number, because the mean of its divisors is an integer number (24524725).

Almost surely, 249049449 is an apocalyptic number.

It is an amenable number.

49049449 is a deficient number, since it is larger than the sum of its proper divisors (1).

49049449 is an equidigital number, since it uses as much as digits as its factorization.

49049449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49049449 is about 7003.5311807687. The cubic root of 49049449 is about 366.0536241813.

The spelling of 49049449 in words is "forty-nine million, forty-nine thousand, four hundred forty-nine".