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104103138 = 23171020619
BaseRepresentation
bin1100011010001…
…11110011100010
321020212222122210
412031013303202
5203122300023
614155142550
72402601456
oct615076342
9236788583
10104103138
1153844257
122aa44a56
131874c2b9
14db7c666
159215593
hex6347ce2

104103138 has 16 divisors (see below), whose sum is σ = 220453920. Its totient is φ = 32659776.

The previous prime is 104103137. The next prime is 104103157. The reversal of 104103138 is 831301401.

It is not an unprimeable number, because it can be changed into a prime (104103133) 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, 510208 + ... + 510411.

It is an arithmetic number, because the mean of its divisors is an integer number (13778370).

Almost surely, 2104103138 is an apocalyptic number.

104103138 is an abundant number, since it is smaller than the sum of its proper divisors (116350782).

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

104103138 is a wasteful number, since it uses less digits than its factorization.

104103138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020641.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 104103138 is about 10203.0945305824. The cubic root of 104103138 is about 470.4223425659.

Adding to 104103138 its reverse (831301401), we get a palindrome (935404539).

The spelling of 104103138 in words is "one hundred four million, one hundred three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 1020619 2041238 3061857 6123714 17350523 34701046 52051569 104103138