Search a number
-
+
164472432 = 2433426509
BaseRepresentation
bin10011100110110…
…10011001110000
3102110111001202120
421303122121300
5314101104212
624153114240
74034664315
oct1163323160
9373431676
10164472432
1184927633
12470b8980
13280c8387
1417bb4d0c
15e68c88c
hex9cda670

164472432 has 20 divisors (see below), whose sum is σ = 424887240. Its totient is φ = 54824128.

The previous prime is 164472419. The next prime is 164472439. The reversal of 164472432 is 234274461.

164472432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164472393 and 164472402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164472439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713207 + ... + 1713302.

It is an arithmetic number, because the mean of its divisors is an integer number (21244362).

Almost surely, 2164472432 is an apocalyptic number.

164472432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164472432 is an abundant number, since it is smaller than the sum of its proper divisors (260414808).

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

164472432 is a wasteful number, since it uses less digits than its factorization.

164472432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426520 (or 3426514 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 164472432 is about 12824.6805808176. The cubic root of 164472432 is about 547.8954637476.

The spelling of 164472432 in words is "one hundred sixty-four million, four hundred seventy-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 3426509 6853018 10279527 13706036 20559054 27412072 41118108 54824144 82236216 164472432