Search a number
-
+
172741033 is a prime number
BaseRepresentation
bin10100100101111…
…01000110101001
3110001001011011001
422102331012221
5323210203113
625050235001
74165163113
oct1222750651
9401034131
10172741033
1189564993
1249a25a61
1329a31b3a
1418d283b3
15102727dd
hexa4bd1a9

172741033 has 2 divisors, whose sum is σ = 172741034. Its totient is φ = 172741032.

The previous prime is 172741013. The next prime is 172741039. The reversal of 172741033 is 330147271.

172741033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170772624 + 1968409 = 13068^2 + 1403^2 .

It is an emirp because it is prime and its reverse (330147271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172741033 - 29 = 172740521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172740992 and 172741010.

It is not a weakly prime, because it can be changed into another prime (172741039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86370516 + 86370517.

It is an arithmetic number, because the mean of its divisors is an integer number (86370517).

Almost surely, 2172741033 is an apocalyptic number.

It is an amenable number.

172741033 is a deficient number, since it is larger than the sum of its proper divisors (1).

172741033 is an equidigital number, since it uses as much as digits as its factorization.

172741033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 172741033 is about 13143.0983029117. The cubic root of 172741033 is about 556.9272962123.

The spelling of 172741033 in words is "one hundred seventy-two million, seven hundred forty-one thousand, thirty-three".