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23223456 = 253326879
BaseRepresentation
bin101100010010…
…1110010100000
31121200212121000
41120211302200
521421122311
62145432000
7401252604
oct130456240
947625530
1023223456
1112122143
12793b600
134a716b9
143127504
15208b056
hex1625ca0

23223456 has 48 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 7740864.

The previous prime is 23223451. The next prime is 23223463. The reversal of 23223456 is 65432232.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23223451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12576 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 223223456 is an apocalyptic number.

It is an amenable number.

23223456 is an abundant number, since it is smaller than the sum of its proper divisors (44514144).

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

23223456 is a wasteful number, since it uses less digits than its factorization.

23223456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26898 (or 26884 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 23223456 is about 4819.0721098568. The cubic root of 23223456 is about 285.3047156400.

Adding to 23223456 its reverse (65432232), we get a palindrome (88655688).

It can be divided in two parts, 2322 and 3456, that added together give a triangular number (5778 = T107).

The spelling of 23223456 in words is "twenty-three million, two hundred twenty-three thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 26879 53758 80637 107516 161274 215032 241911 322548 430064 483822 645096 725733 860128 967644 1290192 1451466 1935288 2580384 2902932 3870576 5805864 7741152 11611728 23223456