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14020739 = 21166449
BaseRepresentation
bin110101011111…
…000010000011
3222101022211122
4311133002003
512042130424
61220302455
7230113535
oct65370203
928338748
1014020739
117a06a97
124841a2b
132b9b9c5
141c0d855
15136e45e
hexd5f083

14020739 has 4 divisors (see below), whose sum is σ = 14087400. Its totient is φ = 13954080.

The previous prime is 14020723. The next prime is 14020781. The reversal of 14020739 is 93702041.

14020739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14020739 - 24 = 14020723 is a prime.

It is a super-2 number, since 2×140207392 = 393162244212242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14020939) 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, 33014 + ... + 33435.

It is an arithmetic number, because the mean of its divisors is an integer number (3521850).

Almost surely, 214020739 is an apocalyptic number.

14020739 is a deficient number, since it is larger than the sum of its proper divisors (66661).

14020739 is an equidigital number, since it uses as much as digits as its factorization.

14020739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66660.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 14020739 is about 3744.4277266359. The cubic root of 14020739 is about 241.1331770826.

The spelling of 14020739 in words is "fourteen million, twenty thousand, seven hundred thirty-nine".

Divisors: 1 211 66449 14020739