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23846140 = 2251962753
BaseRepresentation
bin101101011110…
…1110011111100
31122212111202101
41122331303330
522101034030
62211034444
7406455163
oct132756374
948774671
1023846140
1112507a5a
127b9ba24
134c2bc56
14324a3da
1521607ca
hex16bdcfc

23846140 has 24 divisors (see below), whose sum is σ = 52713360. Its totient is φ = 9036288.

The previous prime is 23846117. The next prime is 23846143. The reversal of 23846140 is 4164832.

23846140 = T403 + T404 + ... + T592.

It is a junction number, because it is equal to n+sod(n) for n = 23846099 and 23846108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23846143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30997 + ... + 31756.

It is an arithmetic number, because the mean of its divisors is an integer number (2196390).

Almost surely, 223846140 is an apocalyptic number.

23846140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23846140 is an abundant number, since it is smaller than the sum of its proper divisors (28867220).

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

23846140 is a wasteful number, since it uses less digits than its factorization.

23846140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62781 (or 62779 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 23846140 is about 4883.2509663133. The cubic root of 23846140 is about 287.8321906930.

The spelling of 23846140 in words is "twenty-three million, eight hundred forty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 62753 125506 251012 313765 627530 1192307 1255060 2384614 4769228 5961535 11923070 23846140