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23031300 = 2235276771
BaseRepresentation
bin101011111011…
…0111000000100
31121100010000010
41113312320010
521344000200
62141350220
7366522435
oct127667004
947303003
1023031300
1112000836
127868370
134a050b6
1430b748c
15204e150
hex15f6e04

23031300 has 36 divisors (see below), whose sum is σ = 66638096. Its totient is φ = 6141600.

The previous prime is 23031293. The next prime is 23031301. The reversal of 23031300 is 313032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (23031301) 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 11 ways as a sum of consecutive naturals, for example, 38086 + ... + 38685.

Almost surely, 223031300 is an apocalyptic number.

23031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031300 is an abundant number, since it is smaller than the sum of its proper divisors (43606796).

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

23031300 is a wasteful number, since it uses less digits than its factorization.

23031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76788 (or 76781 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 23031300 is about 4799.0936644329. The cubic root of 23031300 is about 284.5156439107.

Adding to 23031300 its reverse (313032), we get a palindrome (23344332).

The spelling of 23031300 in words is "twenty-three million, thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 76771 153542 230313 307084 383855 460626 767710 921252 1151565 1535420 1919275 2303130 3838550 4606260 5757825 7677100 11515650 23031300