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40404014 = 273598039
BaseRepresentation
bin1001101000100…
…0010000101110
32211000201212222
42122020100232
540320412024
64001555342
71000266650
oct232102056
984021788
1040404014
1120897152
1211645b52
1384a8701
14551a6d0
15383185e
hex268842e

40404014 has 16 divisors (see below), whose sum is σ = 69465600. Its totient is φ = 17265624.

The previous prime is 40403999. The next prime is 40404017. The reversal of 40404014 is 41040404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40403983 and 40404001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404017) 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, 1007 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (4341600).

Almost surely, 240404014 is an apocalyptic number.

40404014 is a deficient number, since it is larger than the sum of its proper divisors (29061586).

40404014 is a wasteful number, since it uses less digits than its factorization.

40404014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40404014 is about 6356.4151846776. The cubic root of 40404014 is about 343.1427580521.

Adding to 40404014 its reverse (41040404), we get a palindrome (81444418).

The spelling of 40404014 in words is "forty million, four hundred four thousand, fourteen".

Divisors: 1 2 7 14 359 718 2513 5026 8039 16078 56273 112546 2886001 5772002 20202007 40404014