Base | Representation |
---|---|
bin | 1100011110111… |
… | …10100100110000 |
3 | 21022001100210000 |
4 | 12033132210300 |
5 | 203302030223 |
6 | 14220310000 |
7 | 2411053062 |
oct | 617364460 |
9 | 238040700 |
10 | 104720688 |
11 | 54126226 |
12 | 2b0a2300 |
13 | 18907407 |
14 | dc9d732 |
15 | 92d8543 |
hex | 63de930 |
104720688 has 50 divisors (see below), whose sum is σ = 303095804. Its totient is φ = 34906464.
The previous prime is 104720677. The next prime is 104720689. The reversal of 104720688 is 886027401.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (104720689) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39106 + ... + 41697.
Almost surely, 2104720688 is an apocalyptic number.
104720688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
104720688 is an abundant number, since it is smaller than the sum of its proper divisors (198375116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104720688 is an equidigital number, since it uses as much as digits as its factorization.
104720688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80823 (or 80808 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 104720688 is about 10233.3126601311. The cubic root of 104720688 is about 471.3507063843.
The spelling of 104720688 in words is "one hundred four million, seven hundred twenty thousand, six hundred eighty-eight".
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