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23340856 = 2372115413
BaseRepresentation
bin101100100001…
…0011100111000
31121220211122011
41121002130320
521433401411
62152135304
7402252100
oct131023470
947824564
1023340856
11121a2370
127997534
134ab2c76
143158200
1520b0c21
hex1642738

23340856 has 48 divisors (see below), whose sum is σ = 55547640. Its totient is φ = 9092160.

The previous prime is 23340839. The next prime is 23340859. The reversal of 23340856 is 65804332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340859) 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 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 7018.

Almost surely, 223340856 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 23340856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27773820).

23340856 is an abundant number, since it is smaller than the sum of its proper divisors (32206784).

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

23340856 is a wasteful number, since it uses less digits than its factorization.

23340856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444 (or 5433 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 23340856 is about 4831.2375226230. The cubic root of 23340856 is about 285.7846684700.

The spelling of 23340856 in words is "twenty-three million, three hundred forty thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 49 56 77 88 98 154 196 308 392 539 616 1078 2156 4312 5413 10826 21652 37891 43304 59543 75782 119086 151564 238172 265237 303128 416801 476344 530474 833602 1060948 1667204 2121896 2917607 3334408 5835214 11670428 23340856