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23944441 = 60139841
BaseRepresentation
bin101101101010…
…1110011111001
31200001111121011
41123111303321
522112210231
62213113521
7410344603
oct133256371
950044534
1023944441
11125748a4
1280288a1
134c64911
143274173
15217e9b1
hex16d5cf9

23944441 has 4 divisors (see below), whose sum is σ = 23984884. Its totient is φ = 23904000.

The previous prime is 23944429. The next prime is 23944447. The reversal of 23944441 is 14444932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 10106041 = 3720^2 + 3179^2 .

It is a cyclic number.

It is not a de Polignac number, because 23944441 - 25 = 23944409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23944447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19320 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (5996221).

Almost surely, 223944441 is an apocalyptic number.

It is an amenable number.

23944441 is a deficient number, since it is larger than the sum of its proper divisors (40443).

23944441 is an equidigital number, since it uses as much as digits as its factorization.

23944441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40442.

The product of its digits is 13824, while the sum is 31.

The square root of 23944441 is about 4893.3057333463. The cubic root of 23944441 is about 288.2271589059.

The spelling of 23944441 in words is "twenty-three million, nine hundred forty-four thousand, four hundred forty-one".

Divisors: 1 601 39841 23944441