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164535572 = 2255773849
BaseRepresentation
bin10011100111010…
…01110100010100
3102110121021101002
421303221310110
5314110114242
624154322432
74035346355
oct1163516424
9373537332
10164535572
1184970013
1247129418
132811b036
1417bcdd2c
15e6a1432
hex9ce9d14

164535572 has 12 divisors (see below), whose sum is σ = 288458100. Its totient is φ = 82118976.

The previous prime is 164535563. The next prime is 164535577. The reversal of 164535572 is 275535461.

It is a happy number.

164535572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79637776 + 84897796 = 8924^2 + 9214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164535577) 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, 34697 + ... + 39152.

It is an arithmetic number, because the mean of its divisors is an integer number (24038175).

Almost surely, 2164535572 is an apocalyptic number.

It is an amenable number.

164535572 is a deficient number, since it is larger than the sum of its proper divisors (123922528).

164535572 is a wasteful number, since it uses less digits than its factorization.

164535572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74410 (or 74408 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 164535572 is about 12827.1420043593. The cubic root of 164535572 is about 547.9655660606.

The spelling of 164535572 in words is "one hundred sixty-four million, five hundred thirty-five thousand, five hundred seventy-two".

Divisors: 1 2 4 557 1114 2228 73849 147698 295396 41133893 82267786 164535572