Search a number
-
+
23451032 = 2311266489
BaseRepresentation
bin101100101110…
…1010110011000
31122010102202202
41121131112120
522000413112
62154345332
7403221233
oct131352630
948112682
1023451032
1112268120
127a2b248
134b21167
14318641a
1520d36c2
hex165d598

23451032 has 16 divisors (see below), whose sum is σ = 47968200. Its totient is φ = 10659520.

The previous prime is 23451017. The next prime is 23451037. The reversal of 23451032 is 23015432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23450995 and 23451013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133157 + ... + 133332.

Almost surely, 223451032 is an apocalyptic number.

23451032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23451032 is an abundant number, since it is smaller than the sum of its proper divisors (24517168).

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

23451032 is a wasteful number, since it uses less digits than its factorization.

23451032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266506 (or 266502 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23451032 is about 4842.6265600395. The cubic root of 23451032 is about 286.2336265687.

Adding to 23451032 its reverse (23015432), we get a palindrome (46466464).

Subtracting from 23451032 its reverse (23015432), we obtain a square (435600 = 6602).

The spelling of 23451032 in words is "twenty-three million, four hundred fifty-one thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 266489 532978 1065956 2131912 2931379 5862758 11725516 23451032