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1013444250 = 235371331479
BaseRepresentation
bin111100011001111…
…110111010011010
32121121222022011020
4330121332322122
54033420204000
6244321343310
734054063650
oct7431767232
92547868136
101013444250
11480076735
12243497b36
13131c66670
149884add0
155de89ba0
hex3c67ee9a

1013444250 has 256 divisors, whose sum is σ = 3220439040. Its totient is φ = 206496000.

The previous prime is 1013444213. The next prime is 1013444269. The reversal of 1013444250 is 524443101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013444250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2115511 + ... + 2115989.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 21013444250 is an apocalyptic number.

1013444250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013444250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610219520).

1013444250 is an abundant number, since it is smaller than the sum of its proper divisors (2206994790).

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

1013444250 is a wasteful number, since it uses less digits than its factorization.

1013444250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1013444250 is about 31834.6391529730. The cubic root of 1013444250 is about 1004.4614822412.

Adding to 1013444250 its reverse (524443101), we get a palindrome (1537887351).

The spelling of 1013444250 in words is "one billion, thirteen million, four hundred forty-four thousand, two hundred fifty".