Search a number
-
+
1025433000 = 233353163233
BaseRepresentation
bin111101000111101…
…101110110101000
32122110112101122000
4331013231312220
54100002324000
6245430331000
734261015404
oct7507556650
92573471560
101025433000
11486914a99
122474b9a60
131345a34b7
149a28c104
1560057000
hex3d1edda8

1025433000 has 256 divisors, whose sum is σ = 3591993600. Its totient is φ = 270604800.

The previous prime is 1025432959. The next prime is 1025433037. The reversal of 1025433000 is 3345201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4400884 + ... + 4401116.

It is an arithmetic number, because the mean of its divisors is an integer number (14031225).

Almost surely, 21025433000 is an apocalyptic number.

1025433000 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 1025433000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795996800).

1025433000 is an abundant number, since it is smaller than the sum of its proper divisors (2566560600).

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

1025433000 is a wasteful number, since it uses less digits than its factorization.

1025433000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1025433000 is about 32022.3827970374. The cubic root of 1025433000 is about 1008.4067944263.

Adding to 1025433000 its reverse (3345201), we get a palindrome (1028778201).

The spelling of 1025433000 in words is "one billion, twenty-five million, four hundred thirty-three thousand".