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23800806 = 2321969593
BaseRepresentation
bin101101011001…
…0101111100110
31122210012120100
41122302233212
522043111211
62210044530
7406206051
oct132625746
948705510
1023800806
1112486997
127b79746
134c14423
143237a98
152152156
hex16b2be6

23800806 has 24 divisors (see below), whose sum is σ = 54283320. Its totient is φ = 7515936.

The previous prime is 23800781. The next prime is 23800807. The reversal of 23800806 is 60800832.

It is a self number, because there is not a number n which added to its sum of digits gives 23800806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23800807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34455 + ... + 35138.

It is an arithmetic number, because the mean of its divisors is an integer number (2261805).

Almost surely, 223800806 is an apocalyptic number.

23800806 is an abundant number, since it is smaller than the sum of its proper divisors (30482514).

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

23800806 is a wasteful number, since it uses less digits than its factorization.

23800806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69620 (or 69617 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 23800806 is about 4878.6069733070. The cubic root of 23800806 is about 287.6496753092.

The spelling of 23800806 in words is "twenty-three million, eight hundred thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 69593 139186 208779 417558 626337 1252674 1322267 2644534 3966801 7933602 11900403 23800806