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23203012 = 227899311
BaseRepresentation
bin101100010000…
…0110011000100
31121122211112211
41120200303010
521414444022
62145153204
7401136160
oct130406304
947584484
1023203012
1112108848
12792b804
134a652c1
14311dca0
152084e77
hex1620cc4

23203012 has 24 divisors (see below), whose sum is σ = 46932480. Its totient is φ = 9831360.

The previous prime is 23202961. The next prime is 23203031. The reversal of 23203012 is 21030232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23202983 and 23203001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (1955520).

Almost surely, 223203012 is an apocalyptic number.

It is an amenable number.

23203012 is an abundant number, since it is smaller than the sum of its proper divisors (23729468).

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

23203012 is a wasteful number, since it uses less digits than its factorization.

23203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411 (or 9409 counting only the distinct ones).

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

The square root of 23203012 is about 4816.9504876011. The cubic root of 23203012 is about 285.2209715437.

Adding to 23203012 its reverse (21030232), we get a palindrome (44233244).

The spelling of 23203012 in words is "twenty-three million, two hundred three thousand, twelve".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 9311 18622 37244 65177 130354 260708 828679 1657358 3314716 5800753 11601506 23203012