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14143285 = 513317019
BaseRepresentation
bin110101111100…
…111100110101
3222121112221101
4311330330311
512110041120
61223050101
7231134032
oct65747465
928545841
1014143285
117a90072
1248a0931
132c12710
141c42389
15139590a
hexd7cf35

14143285 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 10105920.

The previous prime is 14143267. The next prime is 14143289. The reversal of 14143285 is 58234141.

It is not a de Polignac number, because 14143285 - 215 = 14110517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 214143285 is an apocalyptic number.

It is an amenable number.

14143285 is a deficient number, since it is larger than the sum of its proper divisors (4726475).

14143285 is a wasteful number, since it uses less digits than its factorization.

14143285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068.

The product of its digits is 3840, while the sum is 28.

The square root of 14143285 is about 3760.7559080589. The cubic root of 14143285 is about 241.8336686873.

The spelling of 14143285 in words is "fourteen million, one hundred forty-three thousand, two hundred eighty-five".

Divisors: 1 5 13 31 65 155 403 2015 7019 35095 91247 217589 456235 1087945 2828657 14143285