Search a number
-
+
172044052 = 22137313949
BaseRepresentation
bin10100100000100…
…10111100010100
3102222201202001221
422100102330110
5323020402202
625023300124
74156231105
oct1220227424
9388652057
10172044052
1189129274
124974a644
132984981b
1418bc63ac
1510186037
hexa412f14

172044052 has 12 divisors (see below), whose sum is σ = 303275700. Its totient is φ = 85393856.

The previous prime is 172044011. The next prime is 172044073. The reversal of 172044052 is 250440271.

It can be written as a sum of positive squares in 2 ways, for example, as 126427536 + 45616516 = 11244^2 + 6754^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 156427 + ... + 157522.

It is an arithmetic number, because the mean of its divisors is an integer number (25272975).

Almost surely, 2172044052 is an apocalyptic number.

It is an amenable number.

172044052 is a deficient number, since it is larger than the sum of its proper divisors (131231648).

172044052 is a wasteful number, since it uses less digits than its factorization.

172044052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314090 (or 314088 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 172044052 is about 13116.5564078381. The cubic root of 172044052 is about 556.1772505624.

The spelling of 172044052 in words is "one hundred seventy-two million, forty-four thousand, fifty-two".

Divisors: 1 2 4 137 274 548 313949 627898 1255796 43011013 86022026 172044052