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14136440 = 235353411
BaseRepresentation
bin110101111011…
…010001111000
3222121012112212
4311323101320
512104331230
61222554252
7231105053
oct65732170
928535485
1014136440
117a85a0a
124898988
132c0c576
141c3da9a
151393895
hexd7b478

14136440 has 16 divisors (see below), whose sum is σ = 31807080. Its totient is φ = 5654560.

The previous prime is 14136407. The next prime is 14136443. The reversal of 14136440 is 4463141.

It is a super-3 number, since 3×141364403 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14136443) 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, 176666 + ... + 176745.

Almost surely, 214136440 is an apocalyptic number.

14136440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14136440 is an abundant number, since it is smaller than the sum of its proper divisors (17670640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14136440 is a wasteful number, since it uses less digits than its factorization.

14136440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353422 (or 353418 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 14136440 is about 3759.8457415165. The cubic root of 14136440 is about 241.7946485543.

Adding to 14136440 its reverse (4463141), we get a palindrome (18599581).

The spelling of 14136440 in words is "fourteen million, one hundred thirty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 353411 706822 1413644 1767055 2827288 3534110 7068220 14136440