Search a number
-
+
23426845 = 5133531021
BaseRepresentation
bin101100101011…
…1011100011101
31122002012120221
41121113130131
521444124340
62154041341
7403060561
oct131273435
948065527
1023426845
1112250a32
127a19251
134b13150
14317b6a1
1520cb44a
hex165771d

23426845 has 16 divisors (see below), whose sum is σ = 30390192. Its totient is φ = 17233920.

The previous prime is 23426839. The next prime is 23426869. The reversal of 23426845 is 54862432.

It can be written as a sum of positive squares in 8 ways, for example, as 1692601 + 21734244 = 1301^2 + 4662^2 .

It is not a de Polignac number, because 23426845 - 25 = 23426813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23426845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22435 + ... + 23455.

It is an arithmetic number, because the mean of its divisors is an integer number (1899387).

Almost surely, 223426845 is an apocalyptic number.

It is an amenable number.

23426845 is a deficient number, since it is larger than the sum of its proper divisors (6963347).

23426845 is a wasteful number, since it uses less digits than its factorization.

23426845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its digits is 46080, while the sum is 34.

The square root of 23426845 is about 4840.1286139936. The cubic root of 23426845 is about 286.1351872018.

The spelling of 23426845 in words is "twenty-three million, four hundred twenty-six thousand, eight hundred forty-five".

Divisors: 1 5 13 65 353 1021 1765 4589 5105 13273 22945 66365 360413 1802065 4685369 23426845