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13250123 = 171495231
BaseRepresentation
bin110010100010…
…111001001011
3220221011202022
4302202321023
511343000443
61151555055
7220424045
oct62427113
926834668
1013250123
117530017
12452ba8b
13298c013
141a8ca95
15126ae68
hexca2e4b

13250123 has 8 divisors (see below), whose sum is σ = 14126400. Its totient is φ = 12384640.

The previous prime is 13250101. The next prime is 13250137. The reversal of 13250123 is 32105231.

13250123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13250123 - 28 = 13249867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13250143) 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, 83 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 213250123 is an apocalyptic number.

13250123 is a deficient number, since it is larger than the sum of its proper divisors (876277).

13250123 is a wasteful number, since it uses less digits than its factorization.

13250123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13250123 is about 3640.0718399504. The cubic root of 13250123 is about 236.6319067731.

Adding to 13250123 its reverse (32105231), we get a palindrome (45355354).

The spelling of 13250123 in words is "thirteen million, two hundred fifty thousand, one hundred twenty-three".

Divisors: 1 17 149 2533 5231 88927 779419 13250123