Search a number
-
+
23307424 = 257671553
BaseRepresentation
bin101100011101…
…0010010100000
31121212010202221
41120322102200
521431314144
62151320424
7402052450
oct130722240
947763687
1023307424
111217a238
127980114
134aa099a
143149d60
1520a5d84
hex163a4a0

23307424 has 48 divisors (see below), whose sum is σ = 53258688. Its totient is φ = 9833472.

The previous prime is 23307397. The next prime is 23307437. The reversal of 23307424 is 42470332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14232 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (1109556).

Almost surely, 223307424 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 23307424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26629344).

23307424 is an abundant number, since it is smaller than the sum of its proper divisors (29951264).

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

23307424 is a wasteful number, since it uses less digits than its factorization.

23307424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23307424 is about 4827.7762997057. The cubic root of 23307424 is about 285.6481565050.

Adding to 23307424 its reverse (42470332), we get a palindrome (65777756).

The spelling of 23307424 in words is "twenty-three million, three hundred seven thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 67 112 134 224 268 469 536 938 1072 1553 1876 2144 3106 3752 6212 7504 10871 12424 15008 21742 24848 43484 49696 86968 104051 173936 208102 347872 416204 728357 832408 1456714 1664816 2913428 3329632 5826856 11653712 23307424