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164443235 = 5112271807
BaseRepresentation
bin10011100110100…
…11010001100011
3102110102120201012
421303103101203
5314044140420
624152331135
74034513225
oct1163232143
9373376635
10164443235
1184907700
12470a3aab
13280b7cb8
1417ba8415
15e683dc5
hex9cd3463

164443235 has 12 divisors (see below), whose sum is σ = 216902784. Its totient is φ = 119594640.

The previous prime is 164443211. The next prime is 164443241. The reversal of 164443235 is 532344461.

164443235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164443235 - 28 = 164442979 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135299 + ... + 136508.

It is an arithmetic number, because the mean of its divisors is an integer number (18075232).

Almost surely, 2164443235 is an apocalyptic number.

164443235 is a deficient number, since it is larger than the sum of its proper divisors (52459549).

164443235 is a wasteful number, since it uses less digits than its factorization.

164443235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271834 (or 271823 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 164443235 is about 12823.5422173438. The cubic root of 164443235 is about 547.8630411904.

Adding to 164443235 its reverse (532344461), we get a palindrome (696787696).

The spelling of 164443235 in words is "one hundred sixty-four million, four hundred forty-three thousand, two hundred thirty-five".

Divisors: 1 5 11 55 121 605 271807 1359035 2989877 14949385 32888647 164443235