Search a number
-
+
4145000000 = 2657829
BaseRepresentation
bin1111011100001111…
…1010111001000000
3101200212112211001112
43313003322321000
531442110000000
61523145422452
7204500630051
oct36703727100
911625484045
104145000000
111837820939
1297819aa28
1351098c82b
142b46da728
15193d68235
hexf70fae40

4145000000 has 112 divisors (see below), whose sum is σ = 10293918960. Its totient is φ = 1656000000.

The previous prime is 4144999961. The next prime is 4145000017. The reversal of 4145000000 is 5414.

It can be written as a sum of positive squares in 8 ways, for example, as 3332521984 + 812478016 = 57728^2 + 28504^2 .

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 15 ways as a sum of consecutive naturals, for example, 4999586 + ... + 5000414.

Almost surely, 24145000000 is an apocalyptic number.

4145000000 is a gapful number since it is divisible by the number (40) 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 4145000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5146959480).

4145000000 is an abundant number, since it is smaller than the sum of its proper divisors (6148918960).

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

4145000000 is an frugal number, since it uses more digits than its factorization.

4145000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4145000000 is about 64381.6744112795. The cubic root of 4145000000 is about 1606.3549341733.

Adding to 4145000000 its reverse (5414), we get a palindrome (4145005414).

The spelling of 4145000000 in words is "four billion, one hundred forty-five million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 829 1000 1250 1600 1658 2000 2500 3125 3316 4000 4145 5000 6250 6632 8000 8290 10000 12500 13264 15625 16580 20000 20725 25000 26528 31250 33160 40000 41450 50000 53056 62500 66320 78125 82900 100000 103625 125000 132640 156250 165800 200000 207250 250000 265280 312500 331600 414500 500000 518125 625000 663200 829000 1000000 1036250 1250000 1326400 1658000 2072500 2500000 2590625 3316000 4145000 5000000 5181250 6632000 8290000 10362500 12953125 16580000 20725000 25906250 33160000 41450000 51812500 64765625 82900000 103625000 129531250 165800000 207250000 259062500 414500000 518125000 829000000 1036250000 2072500000 4145000000