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23450 = 252767
BaseRepresentation
bin101101110011010
31012011112
411232122
51222300
6300322
7125240
oct55632
935145
1023450
1116689
12116a2
13a89b
148790
156e35
hex5b9a

23450 has 24 divisors (see below), whose sum is σ = 50592. Its totient is φ = 7920.

The previous prime is 23447. The next prime is 23459. The reversal of 23450 is 5432.

Subtracting from 23450 its sum of digits (14), we obtain a triangular number (23436 = T216).

Adding to 23450 its reverse (5432), we get a palindrome (28882).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (23459) 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, 317 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (2108).

223450 is an apocalyptic number.

23450 is an abundant number, since it is smaller than the sum of its proper divisors (27142).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25296).

23450 is a wasteful number, since it uses less digits than its factorization.

23450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23450 is about 153.1339283111. The cubic root of 23450 is about 28.6229427785.

The spelling of 23450 in words is "twenty-three thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 67 70 134 175 335 350 469 670 938 1675 2345 3350 4690 11725 23450