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164410657 = 295669333
BaseRepresentation
bin10011100110010…
…11010100100001
3102110100221000121
421303023110201
5314042120112
624151520241
74034316235
oct1163132441
9373327017
10164410657
1184895184
1247089081
13280a6218
1417b9a5c5
15e679407
hex9ccb521

164410657 has 4 divisors (see below), whose sum is σ = 170080020. Its totient is φ = 158741296.

The previous prime is 164410651. The next prime is 164410663. The reversal of 164410657 is 756014461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 756014461 = 7110648091.

It is an interprime number because it is at equal distance from previous prime (164410651) and next prime (164410663).

It can be written as a sum of positive squares in 2 ways, for example, as 81072016 + 83338641 = 9004^2 + 9129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164410657 is a prime.

It is a super-3 number, since 3×1644106573 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164410651) 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 3 ways as a sum of consecutive naturals, for example, 2834638 + ... + 2834695.

It is an arithmetic number, because the mean of its divisors is an integer number (42520005).

Almost surely, 2164410657 is an apocalyptic number.

It is an amenable number.

164410657 is a deficient number, since it is larger than the sum of its proper divisors (5669363).

164410657 is an equidigital number, since it uses as much as digits as its factorization.

164410657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669362.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 164410657 is about 12822.2719125746. The cubic root of 164410657 is about 547.8268595845.

The spelling of 164410657 in words is "one hundred sixty-four million, four hundred ten thousand, six hundred fifty-seven".

Divisors: 1 29 5669333 164410657