Search a number
-
+
23305026 = 2323971741
BaseRepresentation
bin101100011100…
…1101101000010
31121212000111010
41120321231002
521431230101
62151301350
7402042453
oct130715502
947760433
1023305026
1112178458
12797a856
134a9c874
14314912a
1520a52d6
hex1639b42

23305026 has 32 divisors (see below), whose sum is σ = 49166208. Its totient is φ = 7349760.

The previous prime is 23305013. The next prime is 23305027. The reversal of 23305026 is 62050332.

23305026 = T134 + T135 + ... + T521.

It is a junction number, because it is equal to n+sod(n) for n = 23304993 and 23305011.

It is not an unprimeable number, because it can be changed into a prime (23305027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12516 + ... + 14256.

It is an arithmetic number, because the mean of its divisors is an integer number (1536444).

Almost surely, 223305026 is an apocalyptic number.

23305026 is an abundant number, since it is smaller than the sum of its proper divisors (25861182).

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

23305026 is a wasteful number, since it uses less digits than its factorization.

23305026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23305026 is about 4827.5279388109. The cubic root of 23305026 is about 285.6383598014.

Adding to 23305026 its reverse (62050332), we get a palindrome (85355358).

The spelling of 23305026 in words is "twenty-three million, three hundred five thousand, twenty-six".

Divisors: 1 2 3 6 23 46 69 97 138 194 291 582 1741 2231 3482 4462 5223 6693 10446 13386 40043 80086 120129 168877 240258 337754 506631 1013262 3884171 7768342 11652513 23305026