Base | Representation |
---|---|
bin | 1001100011111… |
… | …01000000010101 |
3 | 12120220202221000 |
4 | 10301331000111 |
5 | 131013010142 |
6 | 11543013513 |
7 | 1662502212 |
oct | 461750025 |
9 | 176822830 |
10 | 80203797 |
11 | 41300333 |
12 | 22a3a299 |
13 | 1380208b |
14 | a91ab09 |
15 | 709414c |
hex | 4c7d015 |
80203797 has 16 divisors (see below), whose sum is σ = 120000960. Its totient is φ = 52938000.
The previous prime is 80203777. The next prime is 80203811. The reversal of 80203797 is 79730208.
It is not a de Polignac number, because 80203797 - 220 = 79155221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80203777) 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, 11979 + ... + 17432.
It is an arithmetic number, because the mean of its divisors is an integer number (7500060).
Almost surely, 280203797 is an apocalyptic number.
It is an amenable number.
80203797 is a deficient number, since it is larger than the sum of its proper divisors (39797163).
80203797 is a wasteful number, since it uses less digits than its factorization.
80203797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29521 (or 29515 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 80203797 is about 8955.6572623119. The cubic root of 80203797 is about 431.2525171876.
The spelling of 80203797 in words is "eighty million, two hundred three thousand, seven hundred ninety-seven".
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