Search a number
-
+
172232941 is a prime number
BaseRepresentation
bin10100100010000…
…01000011101101
3110000002100011211
422101001003231
5323042423231
625031314421
74160645566
oct1221010355
9400070154
10172232941
1189248181
124981ba11
13298b47aa
1418c3516d
15101c1eb1
hexa4410ed

172232941 has 2 divisors, whose sum is σ = 172232942. Its totient is φ = 172232940.

The previous prime is 172232939. The next prime is 172232959. The reversal of 172232941 is 149232271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 16232841 = 12490^2 + 4029^2 .

It is a cyclic number.

It is not a de Polignac number, because 172232941 - 21 = 172232939 is a prime.

Together with 172232939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172232981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86116470 + 86116471.

It is an arithmetic number, because the mean of its divisors is an integer number (86116471).

Almost surely, 2172232941 is an apocalyptic number.

It is an amenable number.

172232941 is a deficient number, since it is larger than the sum of its proper divisors (1).

172232941 is an equidigital number, since it uses as much as digits as its factorization.

172232941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 172232941 is about 13123.7548361740. The cubic root of 172232941 is about 556.3807204288.

It can be divided in two parts, 17223 and 2941, that added together give a square (20164 = 1422).

The spelling of 172232941 in words is "one hundred seventy-two million, two hundred thirty-two thousand, nine hundred forty-one".