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40660141 = 1713917207
BaseRepresentation
bin1001101100011…
…0110010101101
32211111202020011
42123012302231
540402111031
64011253221
71002414454
oct233066255
984452204
1040660141
1120a51625
121174a211
138568172
145585b9b
1538826b1
hex26c6cad

40660141 has 8 divisors (see below), whose sum is σ = 43364160. Its totient is φ = 37990848.

The previous prime is 40660129. The next prime is 40660181. The reversal of 40660141 is 14106604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40660141 - 29 = 40659629 is a prime.

It is a super-2 number, since 2×406601412 = 3306494132279762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6241 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (5420520).

Almost surely, 240660141 is an apocalyptic number.

It is an amenable number.

40660141 is a deficient number, since it is larger than the sum of its proper divisors (2704019).

40660141 is a wasteful number, since it uses less digits than its factorization.

40660141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40660141 is about 6376.5304829507. The cubic root of 40660141 is about 343.8663088074.

Adding to 40660141 its reverse (14106604), we get a palindrome (54766745).

The spelling of 40660141 in words is "forty million, six hundred sixty thousand, one hundred forty-one".

Divisors: 1 17 139 2363 17207 292519 2391773 40660141