Search a number
-
+
472851191 is a prime number
BaseRepresentation
bin11100001011110…
…010001011110111
31012221202022220002
4130023302023313
51432022214231
6114530501515
714501111621
oct3413621367
91187668802
10472851191
11222a0410a
1211243489b
1376c6ab07
1446b29c11
152b7a40cb
hex1c2f22f7

472851191 has 2 divisors, whose sum is σ = 472851192. Its totient is φ = 472851190.

The previous prime is 472851163. The next prime is 472851259. The reversal of 472851191 is 191158274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472851191 - 222 = 468656887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472851131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236425595 + 236425596.

It is an arithmetic number, because the mean of its divisors is an integer number (236425596).

Almost surely, 2472851191 is an apocalyptic number.

472851191 is a deficient number, since it is larger than the sum of its proper divisors (1).

472851191 is an equidigital number, since it uses as much as digits as its factorization.

472851191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 38.

The square root of 472851191 is about 21745.1417792573. The cubic root of 472851191 is about 779.0670365041.

The spelling of 472851191 in words is "four hundred seventy-two million, eight hundred fifty-one thousand, one hundred ninety-one".