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23331243 = 3131075591
BaseRepresentation
bin101100100000…
…0000110101011
31121220100110010
41121000012223
521433044433
62152023003
7402212055
oct131000653
947810403
1023331243
1112196121
127991a63
134aab790
1431548d5
1520ace63
hex16401ab

23331243 has 16 divisors (see below), whose sum is σ = 33820416. Its totient is φ = 14220960.

The previous prime is 23331229. The next prime is 23331271. The reversal of 23331243 is 34213332.

It is not a de Polignac number, because 23331243 - 26 = 23331179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23331643) 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, 1378 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (2113776).

Almost surely, 223331243 is an apocalyptic number.

23331243 is a deficient number, since it is larger than the sum of its proper divisors (10489173).

23331243 is a wasteful number, since it uses less digits than its factorization.

23331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its digits is 1296, while the sum is 21.

The square root of 23331243 is about 4830.2425404942. The cubic root of 23331243 is about 285.7454293313.

Adding to 23331243 its reverse (34213332), we get a palindrome (57544575).

The spelling of 23331243 in words is "twenty-three million, three hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 3 13 39 107 321 1391 4173 5591 16773 72683 218049 598237 1794711 7777081 23331243