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1030350400 = 2652643969
BaseRepresentation
bin111101011010011…
…110011001000000
32122210210020000221
4331122132121000
54102232203100
6250123552424
734350556012
oct7532363100
92583706027
101030350400
11489673562
1224908b714
131356057c1
149abac1b2
15606c901a
hex3d69e640

1030350400 has 42 divisors (see below), whose sum is σ = 2535309890. Its totient is φ = 412139520.

The previous prime is 1030350361. The next prime is 1030350407. The reversal of 1030350400 is 40530301.

1030350400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 295289856 + 735060544 = 17184^2 + 27112^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1030350407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320385 + ... + 323584.

Almost surely, 21030350400 is an apocalyptic number.

1030350400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030350400 is an abundant number, since it is smaller than the sum of its proper divisors (1504959490).

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

1030350400 is an equidigital number, since it uses as much as digits as its factorization.

1030350400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643991 (or 643976 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1030350400 is about 32099.0716376658. The cubic root of 1030350400 is about 1010.0161419503.

Adding to 1030350400 its reverse (40530301), we get a palindrome (1070880701).

The spelling of 1030350400 in words is "one billion, thirty million, three hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 643969 1287938 2575876 3219845 5151752 6439690 10303504 12879380 16099225 20607008 25758760 32198450 41214016 51517520 64396900 103035040 128793800 206070080 257587600 515175200 1030350400