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164445341 = 295670529
BaseRepresentation
bin10011100110100…
…11110010011101
3102110102200121012
421303103302131
5314044222331
624152345005
74034522324
oct1163236235
9373380535
10164445341
1184909245
12470a5165
13280b8c48
1417ba90bb
15e68482b
hex9cd3c9d

164445341 has 4 divisors (see below), whose sum is σ = 170115900. Its totient is φ = 158774784.

The previous prime is 164445319. The next prime is 164445343. The reversal of 164445341 is 143544461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60996100 + 103449241 = 7810^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 164445341 - 26 = 164445277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164445298 and 164445307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164445343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835236 + ... + 2835293.

It is an arithmetic number, because the mean of its divisors is an integer number (42528975).

Almost surely, 2164445341 is an apocalyptic number.

It is an amenable number.

164445341 is a deficient number, since it is larger than the sum of its proper divisors (5670559).

164445341 is an equidigital number, since it uses as much as digits as its factorization.

164445341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670558.

The product of its digits is 23040, while the sum is 32.

The square root of 164445341 is about 12823.6243316778. The cubic root of 164445341 is about 547.8653799805.

The spelling of 164445341 in words is "one hundred sixty-four million, four hundred forty-five thousand, three hundred forty-one".

Divisors: 1 29 5670529 164445341