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1033023220 = 22551651161
BaseRepresentation
bin111101100100101…
…010111011110100
32122222211000110021
4331210222323310
54103423220340
6250301134524
734412360335
oct7544527364
92588730407
101033023220
114901296a9
12249b5a444
13136030258
149b2a628c
1560a55e4a
hex3d92aef4

1033023220 has 12 divisors (see below), whose sum is σ = 2169348804. Its totient is φ = 413209280.

The previous prime is 1033023209. The next prime is 1033023221. The reversal of 1033023220 is 223203301.

1033023220 is digitally balanced in base 6, 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 2 ways, for example, as 435807376 + 597215844 = 20876^2 + 24438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1033023194 and 1033023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033023221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25825561 + ... + 25825600.

It is an arithmetic number, because the mean of its divisors is an integer number (180779067).

Almost surely, 21033023220 is an apocalyptic number.

1033023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033023220 is an abundant number, since it is smaller than the sum of its proper divisors (1136325584).

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

1033023220 is a wasteful number, since it uses less digits than its factorization.

1033023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51651170 (or 51651168 counting only the distinct ones).

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

The square root of 1033023220 is about 32140.6785864891. The cubic root of 1033023220 is about 1010.8887448941. Note that the first 3 decimals are identical.

Adding to 1033023220 its reverse (223203301), we get a palindrome (1256226521).

The spelling of 1033023220 in words is "one billion, thirty-three million, twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 51651161 103302322 206604644 258255805 516511610 1033023220