Search a number
-
+
1013442400 = 25528211543
BaseRepresentation
bin111100011001111…
…110011101100000
32121121222012121201
4330121332131200
54033420124100
6244321330544
734054055365
oct7431763540
92547865551
101013442400
11480075303
12243496a54
13131c65879
149884a46c
155de8936a
hex3c67e760

1013442400 has 72 divisors (see below), whose sum is σ = 2478685104. Its totient is φ = 404620800.

The previous prime is 1013442329. The next prime is 1013442401. The reversal of 1013442400 is 42443101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013442401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 656029 + ... + 657571.

It is an arithmetic number, because the mean of its divisors is an integer number (34426182).

Almost surely, 21013442400 is an apocalyptic number.

1013442400 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 1013442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239342552).

1013442400 is an abundant number, since it is smaller than the sum of its proper divisors (1465242704).

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

1013442400 is a wasteful number, since it uses less digits than its factorization.

1013442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1013442400 is about 31834.6100965600. The cubic root of 1013442400 is about 1004.4608710401.

Adding to 1013442400 its reverse (42443101), we get a palindrome (1055885501).

The spelling of 1013442400 in words is "one billion, thirteen million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 821 1543 1642 3086 3284 4105 6172 6568 7715 8210 12344 13136 15430 16420 20525 24688 26272 30860 32840 38575 41050 49376 61720 65680 77150 82100 123440 131360 154300 164200 246880 308600 328400 617200 656800 1234400 1266803 2533606 5067212 6334015 10134424 12668030 20268848 25336060 31670075 40537696 50672120 63340150 101344240 126680300 202688480 253360600 506721200 1013442400