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1030223040 = 263572112181
BaseRepresentation
bin111101011001111…
…111010011000000
32122210112202022220
4331121333103000
54102214114130
6250121131040
734346515500
oct7531772300
92583482286
101030223040
11489596900
12249029a80
1313558c842
149ab77a00
15606a1410
hex3d67f4c0

1030223040 has 504 divisors, whose sum is σ = 4205453616. Its totient is φ = 212889600.

The previous prime is 1030223027. The next prime is 1030223041. The reversal of 1030223040 is 403220301.

It is a super-2 number, since 2×10302230402 = 2122719024293683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1030223041) 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 71 ways as a sum of consecutive naturals, for example, 5691750 + ... + 5691930.

It is an arithmetic number, because the mean of its divisors is an integer number (8344154).

Almost surely, 21030223040 is an apocalyptic number.

1030223040 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 1030223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102726808).

1030223040 is an abundant number, since it is smaller than the sum of its proper divisors (3175230576).

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

1030223040 is a wasteful number, since it uses less digits than its factorization.

1030223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1030223040 is about 32097.0877183585. The cubic root of 1030223040 is about 1009.9745247308.

Adding to 1030223040 its reverse (403220301), we get a palindrome (1433443341).

The spelling of 1030223040 in words is "one billion, thirty million, two hundred twenty-three thousand, forty".