Base | Representation |
---|---|
bin | 1100010000110… |
… | …11000101010011 |
3 | 21011120102000002 |
4 | 12020123011103 |
5 | 202313341004 |
6 | 14112520215 |
7 | 2356251362 |
oct | 610330523 |
9 | 234512002 |
10 | 102871379 |
11 | 53082876 |
12 | 2a55006b |
13 | 1840a750 |
14 | d93b7d9 |
15 | 907061e |
hex | 621b153 |
102871379 has 4 divisors (see below), whose sum is σ = 110784576. Its totient is φ = 94958184.
The previous prime is 102871343. The next prime is 102871409. The reversal of 102871379 is 973178201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102871379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102871079) 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, 3956579 + ... + 3956604.
It is an arithmetic number, because the mean of its divisors is an integer number (27696144).
Almost surely, 2102871379 is an apocalyptic number.
102871379 is a deficient number, since it is larger than the sum of its proper divisors (7913197).
102871379 is an equidigital number, since it uses as much as digits as its factorization.
102871379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7913196.
The product of its (nonzero) digits is 21168, while the sum is 38.
The square root of 102871379 is about 10142.5528837665. The cubic root of 102871379 is about 468.5596146785.
The spelling of 102871379 in words is "one hundred two million, eight hundred seventy-one thousand, three hundred seventy-nine".
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