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164353452 = 22389153889
BaseRepresentation
bin10011100101111…
…01010110101100
3102110021000112220
421302331112230
5314033302302
624150355340
74033660404
oct1162752654
9373230486
10164353452
11848561aa
124705bb50
1328086183
1417b83804
15e6674bc
hex9cbd5ac

164353452 has 24 divisors (see below), whose sum is σ = 387802800. Its totient is φ = 54168576.

The previous prime is 164353451. The next prime is 164353471. The reversal of 164353452 is 254353461.

It is not an unprimeable number, because it can be changed into a prime (164353451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75877 + ... + 78012.

It is an arithmetic number, because the mean of its divisors is an integer number (16158450).

Almost surely, 2164353452 is an apocalyptic number.

164353452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164353452 is an abundant number, since it is smaller than the sum of its proper divisors (223449348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164353452 is a wasteful number, since it uses less digits than its factorization.

164353452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153985 (or 153983 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 164353452 is about 12820.0410295755. The cubic root of 164353452 is about 547.7633153038.

Subtracting 164353452 from its reverse (254353461), we obtain a palindrome (90000009).

The spelling of 164353452 in words is "one hundred sixty-four million, three hundred fifty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 153889 307778 461667 615556 923334 1846668 13696121 27392242 41088363 54784484 82176726 164353452