Search a number
-
+
23897344 = 28277337
BaseRepresentation
bin101101100101…
…0010100000000
31122222002222211
41123022110000
522104203334
62212111504
7410060362
oct133122400
948862884
1023897344
1112542479
128005594
134c49353
143260d32
152170a64
hex16ca500

23897344 has 36 divisors (see below), whose sum is σ = 48015604. Its totient is φ = 11870208.

The previous prime is 23897327. The next prime is 23897351. The reversal of 23897344 is 44379832.

23897344 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 18662400 = 2288^2 + 4320^2 .

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 23897297 and 23897306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70744 + ... + 71080.

Almost surely, 223897344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24007802).

23897344 is an abundant number, since it is smaller than the sum of its proper divisors (24118260).

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

23897344 is an equidigital number, since it uses as much as digits as its factorization.

23897344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 616 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 23897344 is about 4888.4909737055. The cubic root of 23897344 is about 288.0380608135.

The spelling of 23897344 in words is "twenty-three million, eight hundred ninety-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 277 337 554 674 1108 1348 2216 2696 4432 5392 8864 10784 17728 21568 35456 43136 70912 86272 93349 186698 373396 746792 1493584 2987168 5974336 11948672 23897344