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14628138 = 2371923797
BaseRepresentation
bin110111110011…
…010100101010
31000112012000220
4313303110222
512221100023
61241310510
7235223430
oct67632452
930465026
1014628138
118291378
124a95436
133052305
141d2ad50
15143e3e3
hexdf352a

14628138 has 64 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 3782592.

The previous prime is 14628137. The next prime is 14628149. The reversal of 14628138 is 83182641.

It is a junction number, because it is equal to n+sod(n) for n = 14628099 and 14628108.

It is not an unprimeable number, because it can be changed into a prime (14628137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17956 + ... + 18752.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 214628138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14628138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

14628138 is an abundant number, since it is smaller than the sum of its proper divisors (22143702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14628138 is a wasteful number, since it uses less digits than its factorization.

14628138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its digits is 9216, while the sum is 33.

The square root of 14628138 is about 3824.6748881441. The cubic root of 14628138 is about 244.5661515294.

The spelling of 14628138 in words is "fourteen million, six hundred twenty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 19 21 23 38 42 46 57 69 114 133 138 161 266 322 399 437 483 797 798 874 966 1311 1594 2391 2622 3059 4782 5579 6118 9177 11158 15143 16737 18331 18354 30286 33474 36662 45429 54993 90858 106001 109986 128317 212002 256634 318003 348289 384951 636006 696578 769902 1044867 2089734 2438023 4876046 7314069 14628138