Base | Representation |
---|---|
bin | 1001100101111… |
… | …10011101000101 |
3 | 12121102101122220 |
4 | 10302332131011 |
5 | 131100100002 |
6 | 11552442553 |
7 | 1664666613 |
oct | 462763505 |
9 | 177371586 |
10 | 80471877 |
11 | 41473792 |
12 | 22b49459 |
13 | 138970c5 |
14 | a98a6b3 |
15 | 70e87bc |
hex | 4cbe745 |
80471877 has 16 divisors (see below), whose sum is σ = 113338368. Its totient is φ = 50707440.
The previous prime is 80471873. The next prime is 80471887. The reversal of 80471877 is 77817408.
It is not a de Polignac number, because 80471877 - 22 = 80471873 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80471873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6063 + ... + 14060.
It is an arithmetic number, because the mean of its divisors is an integer number (7083648).
Almost surely, 280471877 is an apocalyptic number.
It is an amenable number.
80471877 is a deficient number, since it is larger than the sum of its proper divisors (32866491).
80471877 is a wasteful number, since it uses less digits than its factorization.
80471877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20200.
The product of its (nonzero) digits is 87808, while the sum is 42.
The square root of 80471877 is about 8970.6118520422. The cubic root of 80471877 is about 431.7324678855.
The spelling of 80471877 in words is "eighty million, four hundred seventy-one thousand, eight hundred seventy-seven".
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