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14147240 = 235353681
BaseRepresentation
bin110101111101…
…111010101000
3222121202100212
4311331322220
512110202430
61223120252
7231151412
oct65757250
928552325
1014147240
117a93038
1248a3088
132c14463
141c439b2
151396b95
hexd7dea8

14147240 has 16 divisors (see below), whose sum is σ = 31831380. Its totient is φ = 5658880.

The previous prime is 14147239. The next prime is 14147249. The reversal of 14147240 is 4274141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 2709316 = 3382^2 + 1646^2 .

It is not an unprimeable number, because it can be changed into a prime (14147249) 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, 176801 + ... + 176880.

Almost surely, 214147240 is an apocalyptic number.

14147240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14147240 is an abundant number, since it is smaller than the sum of its proper divisors (17684140).

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

14147240 is a wasteful number, since it uses less digits than its factorization.

14147240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353692 (or 353688 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 14147240 is about 3761.2816964434. The cubic root of 14147240 is about 241.8562085480.

The spelling of 14147240 in words is "fourteen million, one hundred forty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 353681 707362 1414724 1768405 2829448 3536810 7073620 14147240