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23886340 = 2254725411
BaseRepresentation
bin101101100011…
…1101000000100
31122221112220021
41123013220010
522103330330
62211544524
7410013322
oct133075004
948845807
1023886340
1112535185
127bbb144
134c4433a
14325ad12
15216c67a
hex16c7a04

23886340 has 24 divisors (see below), whose sum is σ = 51230592. Its totient is φ = 9350880.

The previous prime is 23886311. The next prime is 23886341. The reversal of 23886340 is 4368832.

It is a junction number, because it is equal to n+sod(n) for n = 23886296 and 23886305.

It is not an unprimeable number, because it can be changed into a prime (23886341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11766 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (2134608).

Almost surely, 223886340 is an apocalyptic number.

23886340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23886340 is an abundant number, since it is smaller than the sum of its proper divisors (27344252).

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

23886340 is a wasteful number, since it uses less digits than its factorization.

23886340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467 (or 25465 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 23886340 is about 4887.3653434136. The cubic root of 23886340 is about 287.9938431040.

The spelling of 23886340 in words is "twenty-three million, eight hundred eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 25411 50822 101644 127055 254110 508220 1194317 2388634 4777268 5971585 11943170 23886340