Search a number
-
+
164952447 = 3114998559
BaseRepresentation
bin10011101010011…
…11100101111111
3102111101110012220
421311033211333
5314211434242
624211300423
74042033632
oct1165174577
9374343186
10164952447
1185125240
12472aa713
13282359ca
1417c9bc19
15e734bec
hex9d4f97f

164952447 has 8 divisors (see below), whose sum is σ = 239930880. Its totient is φ = 99971160.

The previous prime is 164952443. The next prime is 164952451. The reversal of 164952447 is 744259461.

It is an interprime number because it is at equal distance from previous prime (164952443) and next prime (164952451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164952447 - 22 = 164952443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164952399 and 164952408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164952443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499247 + ... + 2499312.

It is an arithmetic number, because the mean of its divisors is an integer number (29991360).

Almost surely, 2164952447 is an apocalyptic number.

164952447 is a deficient number, since it is larger than the sum of its proper divisors (74978433).

164952447 is a wasteful number, since it uses less digits than its factorization.

164952447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998573.

The product of its digits is 241920, while the sum is 42.

The square root of 164952447 is about 12843.3814472669. The cubic root of 164952447 is about 548.4279594724.

The spelling of 164952447 in words is "one hundred sixty-four million, nine hundred fifty-two thousand, four hundred forty-seven".

Divisors: 1 3 11 33 4998559 14995677 54984149 164952447