Search a number
-
+
30050047 is a prime number
BaseRepresentation
bin111001010100…
…0011011111111
32002112200220201
41302220123333
530143100142
62552024331
7513264316
oct162503377
962480821
1030050047
1115a65055
12a0920a7
1362c19c1
143dc327d
152988ab7
hex1ca86ff

30050047 has 2 divisors, whose sum is σ = 30050048. Its totient is φ = 30050046.

The previous prime is 30049979. The next prime is 30050051. The reversal of 30050047 is 74005003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30050047 - 219 = 29525759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30050087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025023 + 15025024.

It is an arithmetic number, because the mean of its divisors is an integer number (15025024).

Almost surely, 230050047 is an apocalyptic number.

30050047 is a deficient number, since it is larger than the sum of its proper divisors (1).

30050047 is an equidigital number, since it uses as much as digits as its factorization.

30050047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 30050047 is about 5481.7923163870. The cubic root of 30050047 is about 310.8959408964.

The spelling of 30050047 in words is "thirty million, fifty thousand, forty-seven".