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164352125 = 537226833
BaseRepresentation
bin10011100101111…
…01000001111101
3102110020221201202
421302331001331
5314033232000
624150345245
74033653500
oct1162750175
9373227652
10164352125
1184855203
124705b225
13280856a2
1417b83137
15e666dd5
hex9cbd07d

164352125 has 24 divisors (see below), whose sum is σ = 238607928. Its totient is φ = 112694400.

The previous prime is 164352121. The next prime is 164352157. The reversal of 164352125 is 521253461.

It can be written as a sum of positive squares in 4 ways, for example, as 31595641 + 132756484 = 5621^2 + 11522^2 .

It is not a de Polignac number, because 164352125 - 22 = 164352121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164352121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7292 + ... + 19541.

It is an arithmetic number, because the mean of its divisors is an integer number (9941997).

Almost surely, 2164352125 is an apocalyptic number.

It is an amenable number.

164352125 is a deficient number, since it is larger than the sum of its proper divisors (74255803).

164352125 is an equidigital number, since it uses as much as digits as its factorization.

164352125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26862 (or 26845 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 164352125 is about 12819.9892745665. The cubic root of 164352125 is about 547.7618410748.

The spelling of 164352125 in words is "one hundred sixty-four million, three hundred fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 875 1225 6125 26833 134165 187831 670825 939155 1314817 3354125 4695775 6574085 23478875 32870425 164352125