Search a number
-
+
23513450 = 2521953467
BaseRepresentation
bin101100110110…
…0100101101010
31122020121101112
41121230211222
522004412300
62155550322
7403601222
oct131544552
948217345
1023513450
1112300004
127a5b3a2
134b436ac
1431a1082
1520e6e35
hex166c96a

23513450 has 48 divisors (see below), whose sum is σ = 47005920. Its totient is φ = 8723520.

The previous prime is 23513443. The next prime is 23513453. The reversal of 23513450 is 5431532.

It is not an unprimeable number, because it can be changed into a prime (23513453) 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 23 ways as a sum of consecutive naturals, for example, 50117 + ... + 50583.

It is an arithmetic number, because the mean of its divisors is an integer number (979290).

Almost surely, 223513450 is an apocalyptic number.

23513450 is a deficient number, since it is larger than the sum of its proper divisors (23492470).

23513450 is a wasteful number, since it uses less digits than its factorization.

23513450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23513450 is about 4849.0669205529. The cubic root of 23513450 is about 286.4873510513.

Adding to 23513450 its reverse (5431532), we get a palindrome (28944982).

The spelling of 23513450 in words is "twenty-three million, five hundred thirteen thousand, four hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 53 95 106 190 265 467 475 530 934 950 1007 1325 2014 2335 2650 4670 5035 8873 10070 11675 17746 23350 24751 25175 44365 49502 50350 88730 123755 221825 247510 443650 470269 618775 940538 1237550 2351345 4702690 11756725 23513450