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14121377 = 24775701
BaseRepresentation
bin110101110111…
…100110100001
3222120102212222
4311313212201
512103341002
61222400425
7231013124
oct65674641
928512788
1014121377
117a75666
124890115
132c0575a
141c383bb
15138e1a2
hexd779a1

14121377 has 4 divisors (see below), whose sum is σ = 14129556. Its totient is φ = 14113200.

The previous prime is 14121361. The next prime is 14121391. The reversal of 14121377 is 77312141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77312141 = 174547773.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 4393216 = 3119^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 14121377 - 24 = 14121361 is a prime.

It is a super-2 number, since 2×141213772 = 398826576752258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14121307) 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, 374 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (3532389).

Almost surely, 214121377 is an apocalyptic number.

It is an amenable number.

14121377 is a deficient number, since it is larger than the sum of its proper divisors (8179).

14121377 is an equidigital number, since it uses as much as digits as its factorization.

14121377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178.

The product of its digits is 1176, while the sum is 26.

The square root of 14121377 is about 3757.8420669315. The cubic root of 14121377 is about 241.7087370806.

The spelling of 14121377 in words is "fourteen million, one hundred twenty-one thousand, three hundred seventy-seven".

Divisors: 1 2477 5701 14121377