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102104 = 2312763
BaseRepresentation
bin11000111011011000
312012001122
4120323120
511231404
62104412
7603452
oct307330
9165048
10102104
116a792
124b108
1337622
14292d2
15203be
hex18ed8

102104 has 8 divisors (see below), whose sum is σ = 191460. Its totient is φ = 51048.

The previous prime is 102103. The next prime is 102107. The reversal of 102104 is 401201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a Harshad number since it is a multiple of its sum of digits (8), and also a Moran number because the ratio is a prime number: 12763 = 102104 / (1 + 0 + 2 + 1 + 0 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 102091 and 102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374 + ... + 6389.

2102104 is an apocalyptic number.

It is an amenable number.

102104 is a deficient number, since it is larger than the sum of its proper divisors (89356).

102104 is a wasteful number, since it uses less digits than its factorization.

102104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769 (or 12765 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 102104 is about 319.5371652875. The cubic root of 102104 is about 46.7391616996.

Adding to 102104 its reverse (401201), we get a palindrome (503305).

The spelling of 102104 in words is "one hundred two thousand, one hundred four", and thus it is an iban number.

Divisors: 1 2 4 8 12763 25526 51052 102104