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164421035 = 5433112459
BaseRepresentation
bin10011100110011…
…01110110101011
3102110101110020222
421303031312223
5314042433120
624152040255
74034361422
oct1163156653
9373343228
10164421035
11848a1a59
124709308b
13280aab6c
1417ba02b9
15e67c525
hex9ccddab

164421035 has 16 divisors (see below), whose sum is σ = 202625280. Its totient is φ = 128012640.

The previous prime is 164421017. The next prime is 164421067. The reversal of 164421035 is 530124461.

It is not a de Polignac number, because 164421035 - 220 = 163372459 is a prime.

It is a super-3 number, since 3×1644210353 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164420995 and 164421013.

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 15 ways as a sum of consecutive naturals, for example, 65636 + ... + 68094.

It is an arithmetic number, because the mean of its divisors is an integer number (12664080).

Almost surely, 2164421035 is an apocalyptic number.

164421035 is a deficient number, since it is larger than the sum of its proper divisors (38204245).

164421035 is a wasteful number, since it uses less digits than its factorization.

164421035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164421035 is about 12822.6765926619. The cubic root of 164421035 is about 547.8383860627.

Adding to 164421035 its reverse (530124461), we get a palindrome (694545496).

The spelling of 164421035 in words is "one hundred sixty-four million, four hundred twenty-one thousand, thirty-five".

Divisors: 1 5 43 215 311 1555 2459 12295 13373 66865 105737 528685 764749 3823745 32884207 164421035