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40441433 = 209919267
BaseRepresentation
bin1001101001000…
…1011001011001
32211002122012212
42122101121121
540323111213
64002444505
71000514024
oct232213131
984078185
1040441433
112091227a
1211663735
1384bc756
14552a1bb
15383c9a8
hex2691659

40441433 has 4 divisors (see below), whose sum is σ = 40462800. Its totient is φ = 40420068.

The previous prime is 40441409. The next prime is 40441459. The reversal of 40441433 is 33414404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40441433 - 26 = 40441369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40441399 and 40441408.

It is not an unprimeable number, because it can be changed into a prime (40441463) 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, 7535 + ... + 11732.

It is an arithmetic number, because the mean of its divisors is an integer number (10115700).

Almost surely, 240441433 is an apocalyptic number.

It is an amenable number.

40441433 is a deficient number, since it is larger than the sum of its proper divisors (21367).

40441433 is a wasteful number, since it uses less digits than its factorization.

40441433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21366.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40441433 is about 6359.3579078394. The cubic root of 40441433 is about 343.2486559223.

Adding to 40441433 its reverse (33414404), we get a palindrome (73855837).

The spelling of 40441433 in words is "forty million, four hundred forty-one thousand, four hundred thirty-three".

Divisors: 1 2099 19267 40441433