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14155669 = 112116989
BaseRepresentation
bin110101111111…
…111110010101
3222122011221001
4311333332111
512110440134
61223223301
7231215113
oct65777625
928564831
1014155669
117a99400
1248a7b31
132c18248
141c46ab3
151399414
hexd7ff95

14155669 has 6 divisors (see below), whose sum is σ = 15559670. Its totient is φ = 12868680.

The previous prime is 14155667. The next prime is 14155681. The reversal of 14155669 is 96655141.

It can be written as a sum of positive squares in only one way, i.e., 14152644 + 3025 = 3762^2 + 55^2 .

It is not a de Polignac number, because 14155669 - 21 = 14155667 is a prime.

It is a super-2 number, since 2×141556692 = 400765929675122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14155663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58374 + ... + 58615.

Almost surely, 214155669 is an apocalyptic number.

It is an amenable number.

14155669 is a deficient number, since it is larger than the sum of its proper divisors (1404001).

14155669 is a wasteful number, since it uses less digits than its factorization.

14155669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117011 (or 117000 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 14155669 is about 3762.4020253025. The cubic root of 14155669 is about 241.9042320787.

The spelling of 14155669 in words is "fourteen million, one hundred fifty-five thousand, six hundred sixty-nine".

Divisors: 1 11 121 116989 1286879 14155669