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10223320 = 235431593
BaseRepresentation
bin100110111111…
…111011011000
3201020101202111
4212333323120
510104121240
61003042104
7152616412
oct46777330
921211674
1010223320
115852a28
123510334
13216c403
1415019b2
15d6e1ea
hex9bfed8

10223320 has 32 divisors (see below), whose sum is σ = 23094720. Its totient is φ = 4072960.

The previous prime is 10223303. The next prime is 10223327. The reversal of 10223320 is 2332201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10223320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16944 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (721710).

Almost surely, 210223320 is an apocalyptic number.

10223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223320 is an abundant number, since it is smaller than the sum of its proper divisors (12871400).

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

10223320 is a wasteful number, since it uses less digits than its factorization.

10223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

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

The square root of 10223320 is about 3197.3926878005. The cubic root of 10223320 is about 217.0354377343.

Adding to 10223320 its reverse (2332201), we get a palindrome (12555521).

The spelling of 10223320 in words is "ten million, two hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 431 593 862 1186 1724 2155 2372 2965 3448 4310 4744 5930 8620 11860 17240 23720 255583 511166 1022332 1277915 2044664 2555830 5111660 10223320