Search a number
-
+
164858901 = 3208126407
BaseRepresentation
bin10011101001110…
…00110000010101
3102111012200220020
421310320300111
5314200441101
624205255353
74041164124
oct1164706025
9374180806
10164858901
1185070a29
1247264559
132820225c
1417c75abb
15e717136
hex9d38c15

164858901 has 8 divisors (see below), whose sum is σ = 219925824. Its totient is φ = 109848960.

The previous prime is 164858873. The next prime is 164858929. The reversal of 164858901 is 109858461.

It is an interprime number because it is at equal distance from previous prime (164858873) and next prime (164858929).

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

It is not a de Polignac number, because 164858901 - 27 = 164858773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164858951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (27490728).

Almost surely, 2164858901 is an apocalyptic number.

It is an amenable number.

164858901 is a deficient number, since it is larger than the sum of its proper divisors (55066923).

164858901 is a wasteful number, since it uses less digits than its factorization.

164858901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28491.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 164858901 is about 12839.7391328640. The cubic root of 164858901 is about 548.3242670768.

The spelling of 164858901 in words is "one hundred sixty-four million, eight hundred fifty-eight thousand, nine hundred one".

Divisors: 1 3 2081 6243 26407 79221 54952967 164858901