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164542300 = 225213472693
BaseRepresentation
bin10011100111010…
…11011101011100
3102110121121121021
421303223131130
5314110323200
624154413524
74035405106
oct1163533534
9373547537
10164542300
118497507a
12471312a4
1328121110
1417bd2576
15e6a341a
hex9ceb75c

164542300 has 72 divisors (see below), whose sum is σ = 392849856. Its totient is φ = 59439360.

The previous prime is 164542291. The next prime is 164542331. The reversal of 164542300 is 3245461.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 59754 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (5456248).

Almost surely, 2164542300 is an apocalyptic number.

164542300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164542300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196424928).

164542300 is an abundant number, since it is smaller than the sum of its proper divisors (228307556).

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

164542300 is a wasteful number, since it uses less digits than its factorization.

164542300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 164542300 is about 12827.4042580719. The cubic root of 164542300 is about 547.9730348854.

Adding to 164542300 its reverse (3245461), we get a palindrome (167787761).

The spelling of 164542300 in words is "one hundred sixty-four million, five hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 47 50 52 65 94 100 130 188 235 260 325 470 611 650 940 1175 1222 1300 2350 2444 2693 3055 4700 5386 6110 10772 12220 13465 15275 26930 30550 35009 53860 61100 67325 70018 126571 134650 140036 175045 253142 269300 350090 506284 632855 700180 875225 1265710 1645423 1750450 2531420 3164275 3290846 3500900 6328550 6581692 8227115 12657100 16454230 32908460 41135575 82271150 164542300