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1030233220 = 22559873079
BaseRepresentation
bin111101011010000…
…001110010000100
32122210120021021221
4331122001302010
54102214430340
6250121250124
734346560252
oct7532016204
92583507257
101030233220
114895a3515
12249033944
13135594373
149ab7b5d2
15606a444a
hex3d681c84

1030233220 has 24 divisors (see below), whose sum is σ = 2200161600. Its totient is φ = 405108192.

The previous prime is 1030233203. The next prime is 1030233223. The reversal of 1030233220 is 223320301.

It is a super-2 number, since 2×10302332202 = 2122760975183136800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030233194 and 1030233203.

It is not an unprimeable number, because it can be changed into a prime (1030233223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435360 + ... + 437719.

It is an arithmetic number, because the mean of its divisors is an integer number (91673400).

Almost surely, 21030233220 is an apocalyptic number.

1030233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030233220 is an abundant number, since it is smaller than the sum of its proper divisors (1169928380).

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

1030233220 is a wasteful number, since it uses less digits than its factorization.

1030233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873147 (or 873145 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1030233220 is about 32097.2462993323. The cubic root of 1030233220 is about 1009.9778513589.

Adding to 1030233220 its reverse (223320301), we get a palindrome (1253553521).

The spelling of 1030233220 in words is "one billion, thirty million, two hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 873079 1746158 3492316 4365395 8730790 17461580 51511661 103023322 206046644 257558305 515116610 1030233220