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1030223020 = 225200325717
BaseRepresentation
bin111101011001111…
…111010010101100
32122210112202022011
4331121333102230
54102214114040
6250121131004
734346515441
oct7531772254
92583482264
101030223020
11489596892
12249029a64
1313558c828
149ab779c8
15606a13ea
hex3d67f4ac

1030223020 has 24 divisors (see below), whose sum is σ = 2164632624. Its totient is φ = 411867456.

The previous prime is 1030223017. The next prime is 1030223027. The reversal of 1030223020 is 203220301.

It is a happy number.

It is a super-2 number, since 2×10302230202 = 2122718941875840800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030223027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27202 + ... + 52918.

It is an arithmetic number, because the mean of its divisors is an integer number (90193026).

Almost surely, 21030223020 is an apocalyptic number.

1030223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030223020 is an abundant number, since it is smaller than the sum of its proper divisors (1134409604).

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

1030223020 is a wasteful number, since it uses less digits than its factorization.

1030223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729 (or 27727 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1030223020 is about 32097.0874068038. The cubic root of 1030223020 is about 1009.9745181951.

Adding to 1030223020 its reverse (203220301), we get a palindrome (1233443321).

The spelling of 1030223020 in words is "one billion, thirty million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 2003 4006 8012 10015 20030 25717 40060 51434 102868 128585 257170 514340 51511151 103022302 206044604 257555755 515111510 1030223020