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14144779 = 112292139
BaseRepresentation
bin110101111101…
…010100001011
3222121121222201
4311331110023
512110113104
61223101031
7231141265
oct65752413
928547881
1014144779
117a91200
1248a1777
132c132bc
141c42b35
1513960a4
hexd7d50b

14144779 has 18 divisors (see below), whose sum is σ = 16218020. Its totient is φ = 12326160.

The previous prime is 14144743. The next prime is 14144789. The reversal of 14144779 is 97744141.

It is not a de Polignac number, because 14144779 - 29 = 14144267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14144729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 101692 + ... + 101830.

Almost surely, 214144779 is an apocalyptic number.

14144779 is a deficient number, since it is larger than the sum of its proper divisors (2073241).

14144779 is a wasteful number, since it uses less digits than its factorization.

14144779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 179 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 14144779 is about 3760.9545330940. The cubic root of 14144779 is about 241.8421836063.

The spelling of 14144779 in words is "fourteen million, one hundred forty-four thousand, seven hundred seventy-nine".

Divisors: 1 11 29 121 139 319 841 1529 3509 4031 9251 16819 44341 101761 116899 487751 1285889 14144779