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23608040 = 235590201
BaseRepresentation
bin101101000001…
…1101011101000
31122102102010212
41122003223220
522020424130
62202000252
7404444051
oct132035350
948372125
1023608040
1112365085
127aa6088
134b77771
1431c7728
152114e95
hex1683ae8

23608040 has 16 divisors (see below), whose sum is σ = 53118180. Its totient is φ = 9443200.

The previous prime is 23608033. The next prime is 23608049. The reversal of 23608040 is 4080632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22905796 + 702244 = 4786^2 + 838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23607997 and 23608015.

It is not an unprimeable number, because it can be changed into a prime (23608049) 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, 295061 + ... + 295140.

Almost surely, 223608040 is an apocalyptic number.

23608040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23608040 is an abundant number, since it is smaller than the sum of its proper divisors (29510140).

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

23608040 is a wasteful number, since it uses less digits than its factorization.

23608040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590212 (or 590208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23608040 is about 4858.8105540348. The cubic root of 23608040 is about 286.8709978826.

Adding to 23608040 its reverse (4080632), we get a palindrome (27688672).

The spelling of 23608040 in words is "twenty-three million, six hundred eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 590201 1180402 2360804 2951005 4721608 5902010 11804020 23608040