Search a number
-
+
172425052 = 22139310117
BaseRepresentation
bin10100100011011…
…11111101011100
3110000110002201001
422101233331130
5323120100202
625035400044
74162405642
oct1221577534
9400402631
10172425052
1189369548
12498b3024
1329951077
1418c85192
151020dd87
hexa46ff5c

172425052 has 12 divisors (see below), whose sum is σ = 303915640. Its totient is φ = 85592016.

The previous prime is 172425047. The next prime is 172425053. The reversal of 172425052 is 250524271.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 172425052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172425053) 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 in 3 ways as a sum of consecutive naturals, for example, 154503 + ... + 155614.

Almost surely, 2172425052 is an apocalyptic number.

It is an amenable number.

172425052 is a deficient number, since it is larger than the sum of its proper divisors (131490588).

172425052 is a wasteful number, since it uses less digits than its factorization.

172425052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310260 (or 310258 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 172425052 is about 13131.0720049812. The cubic root of 172425052 is about 556.5875084752.

The spelling of 172425052 in words is "one hundred seventy-two million, four hundred twenty-five thousand, fifty-two".

Divisors: 1 2 4 139 278 556 310117 620234 1240468 43106263 86212526 172425052