Search a number
-
+
302032144100 = 225253409139333
BaseRepresentation
bin1000110010100101000…
…01001100011011100100
31001212121010202122101102
410121102201030123210
514422030212102400
6350430205015232
730551431602611
oct4312241143344
91055533678342
10302032144100
111071002a9235
124a651b54518
1322634b4bb3b
1410892da7508
157ccacc09d5
hex465284c6e4

302032144100 has 72 divisors (see below), whose sum is σ = 669413482920. Its totient is φ = 118242708480.

The previous prime is 302032144091. The next prime is 302032144111. The reversal of 302032144100 is 1441230203.

It can be written as a sum of positive squares in 12 ways, for example, as 47408965696 + 254623178404 = 217736^2 + 504602^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2098034 + ... + 2237366.

It is an arithmetic number, because the mean of its divisors is an integer number (9297409485).

Almost surely, 2302032144100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302032144100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334706741460).

302032144100 is an abundant number, since it is smaller than the sum of its proper divisors (367381338820).

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

302032144100 is a wasteful number, since it uses less digits than its factorization.

302032144100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139809 (or 139802 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 302032144100 its reverse (1441230203), we get a palindrome (303473374303).

The spelling of 302032144100 in words is "three hundred two billion, thirty-two million, one hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 409 530 818 1060 1325 1636 2045 2650 4090 5300 8180 10225 20450 21677 40900 43354 86708 108385 139333 216770 278666 433540 541925 557332 696665 1083850 1393330 2167700 2786660 3483325 6966650 7384649 13933300 14769298 29538596 36923245 56987197 73846490 113974394 147692980 184616225 227948788 284935985 369232450 569871970 738464900 1139743940 1424679925 2849359850 3020321441 5698719700 6040642882 12081285764 15101607205 30203214410 60406428820 75508036025 151016072050 302032144100