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40830111 = 327648097
BaseRepresentation
bin1001101111000…
…0010010011111
32211211101101100
42123300102133
540423030421
64015044143
71004023140
oct233602237
984741340
1040830111
11210582a3
1211810653
1385c763a
1455cbac7
1538b7c26
hex26f049f

40830111 has 12 divisors (see below), whose sum is σ = 67402192. Its totient is φ = 23331456.

The previous prime is 40830103. The next prime is 40830121. The reversal of 40830111 is 11103804.

It is not a de Polignac number, because 40830111 - 23 = 40830103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40830121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323986 + ... + 324111.

Almost surely, 240830111 is an apocalyptic number.

40830111 is a deficient number, since it is larger than the sum of its proper divisors (26572081).

40830111 is a wasteful number, since it uses less digits than its factorization.

40830111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648110 (or 648107 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 40830111 is about 6389.8443643018. The cubic root of 40830111 is about 344.3447929978.

Adding to 40830111 its reverse (11103804), we get a palindrome (51933915).

The spelling of 40830111 in words is "forty million, eight hundred thirty thousand, one hundred eleven".

Divisors: 1 3 7 9 21 63 648097 1944291 4536679 5832873 13610037 40830111