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166034525 = 526641381
BaseRepresentation
bin10011110010101…
…11110001011101
3102120102102112212
421321113301131
5320001101100
624250410205
74054161446
oct1171276135
9376372485
10166034525
11857a4218
1247730965
13285243a7
14180a02cd
15e89a635
hex9e57c5d

166034525 has 6 divisors (see below), whose sum is σ = 205882842. Its totient is φ = 132827600.

The previous prime is 166034507. The next prime is 166034551. The reversal of 166034525 is 525430661.

It can be written as a sum of positive squares in 3 ways, for example, as 48246916 + 117787609 = 6946^2 + 10853^2 .

It is a de Polignac number, because none of the positive numbers 2k-166034525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166034491 and 166034500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3320666 + ... + 3320715.

It is an arithmetic number, because the mean of its divisors is an integer number (34313807).

Almost surely, 2166034525 is an apocalyptic number.

It is an amenable number.

166034525 is a deficient number, since it is larger than the sum of its proper divisors (39848317).

166034525 is an equidigital number, since it uses as much as digits as its factorization.

166034525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641391 (or 6641386 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 166034525 is about 12885.4384869123. The cubic root of 166034525 is about 549.6245647192.

The spelling of 166034525 in words is "one hundred sixty-six million, thirty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 6641381 33206905 166034525