Search a number
-
+
172674424 = 23135331327
BaseRepresentation
bin10100100101011…
…00110101111000
3110000220202210001
422102230311320
5323201040144
625045002344
74164464656
oct1222546570
9400822701
10172674424
118951993a
12499b33b4
1329a0a720
1418d0bdd6
151025cbd4
hexa4acd78

172674424 has 32 divisors (see below), whose sum is σ = 355259520. Its totient is φ = 78189696.

The previous prime is 172674391. The next prime is 172674427. The reversal of 172674424 is 424476271.

172674424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172674427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10152 + ... + 21175.

It is an arithmetic number, because the mean of its divisors is an integer number (11101860).

Almost surely, 2172674424 is an apocalyptic number.

It is an amenable number.

172674424 is an abundant number, since it is smaller than the sum of its proper divisors (182585096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172674424 is a wasteful number, since it uses less digits than its factorization.

172674424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31399 (or 31395 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 172674424 is about 13140.5640670407. The cubic root of 172674424 is about 556.8557032257.

The spelling of 172674424 in words is "one hundred seventy-two million, six hundred seventy-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 689 1378 2756 5512 31327 62654 125308 250616 407251 814502 1629004 1660331 3258008 3320662 6641324 13282648 21584303 43168606 86337212 172674424