Search a number
-
+
1000050000 = 2435559113
BaseRepresentation
bin111011100110111…
…000110101010000
32120200202210200220
4323212320311100
54022003100000
6243122313040
733532166445
oct7346706520
92520683626
101000050000
11473558404
1223aab8780
1312c256b81
1496b619cc
155cbe11a0
hex3b9b8d50

1000050000 has 240 divisors, whose sum is σ = 3312912960. Its totient is φ = 259840000.

The previous prime is 1000049989. The next prime is 1000050001. The reversal of 1000050000 is 500001.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000050001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8849944 + ... + 8850056.

It is an arithmetic number, because the mean of its divisors is an integer number (13803804).

Almost surely, 21000050000 is an apocalyptic number.

1000050000 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 1000050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656456480).

1000050000 is an abundant number, since it is smaller than the sum of its proper divisors (2312862960).

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

1000050000 is an equidigital number, since it uses as much as digits as its factorization.

1000050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 6.

The square root of 1000050000 is about 31623.5671612170. The cubic root of 1000050000 is about 1000.0166663889.

Adding to 1000050000 its reverse (500001), we get a palindrome (1000550001).

The spelling of 1000050000 in words is "one billion, fifty thousand".