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15114023 = 19378311
BaseRepresentation
bin111001101001…
…111100100111
31001102212112122
4321221330213
512332122043
61255540155
7242316131
oct71517447
931385478
1015114023
118593431
12508a65b
133192512
142016051
1514d8368
hexe69f27

15114023 has 4 divisors (see below), whose sum is σ = 15192528. Its totient is φ = 15035520.

The previous prime is 15114007. The next prime is 15114041. The reversal of 15114023 is 32041151.

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 15114023 - 24 = 15114007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15113992 and 15114010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15114053) 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, 38963 + ... + 39348.

It is an arithmetic number, because the mean of its divisors is an integer number (3798132).

Almost surely, 215114023 is an apocalyptic number.

15114023 is a deficient number, since it is larger than the sum of its proper divisors (78505).

15114023 is an equidigital number, since it uses as much as digits as its factorization.

15114023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78504.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15114023 is about 3887.6757838071. The cubic root of 15114023 is about 247.2445304637.

Adding to 15114023 its reverse (32041151), we get a palindrome (47155174).

The spelling of 15114023 in words is "fifteen million, one hundred fourteen thousand, twenty-three".

Divisors: 1 193 78311 15114023