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14154023 = 131278573
BaseRepresentation
bin110101111111…
…100100100111
3222122002200002
4311333210213
512110412043
61223211515
7231210242
oct65774447
928562602
1014154023
117a98144
1248a6b9b
132c17580
141c46259
151398bb8
hexd7f927

14154023 has 8 divisors (see below), whose sum is σ = 15364608. Its totient is φ = 12960864.

The previous prime is 14153999. The next prime is 14154037. The reversal of 14154023 is 32045141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14154023 - 26 = 14153959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14153986 and 14154004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14154323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636 + ... + 5937.

It is an arithmetic number, because the mean of its divisors is an integer number (1920576).

Almost surely, 214154023 is an apocalyptic number.

14154023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14154023 is a deficient number, since it is larger than the sum of its proper divisors (1210585).

14154023 is a wasteful number, since it uses less digits than its factorization.

14154023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14154023 is about 3762.1832757057. The cubic root of 14154023 is about 241.8948556280.

Adding to 14154023 its reverse (32045141), we get a palindrome (46199164).

The spelling of 14154023 in words is "fourteen million, one hundred fifty-four thousand, twenty-three".

Divisors: 1 13 127 1651 8573 111449 1088771 14154023