Base | Representation |
---|---|
bin | 1001100100010… |
… | …01100011010110 |
3 | 12121000101102110 |
4 | 10302021203112 |
5 | 131021131230 |
6 | 11544051450 |
7 | 1663105101 |
oct | 462114326 |
9 | 177011373 |
10 | 80255190 |
11 | 41335a04 |
12 | 22a63b86 |
13 | 1381c5a2 |
14 | a931738 |
15 | 70a44b0 |
hex | 4c898d6 |
80255190 has 64 divisors (see below), whose sum is σ = 197116416. Its totient is φ = 20908032.
The previous prime is 80255177. The next prime is 80255191. The reversal of 80255190 is 9155208.
It is a super-2 number, since 2×802551902 = 12881791043872200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80255191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415734 + ... + 415926.
It is an arithmetic number, because the mean of its divisors is an integer number (3079944).
Almost surely, 280255190 is an apocalyptic number.
80255190 is an abundant number, since it is smaller than the sum of its proper divisors (116861226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80255190 is a wasteful number, since it uses less digits than its factorization.
80255190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 453.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 80255190 is about 8958.5261064530. The cubic root of 80255190 is about 431.3446102022.
The spelling of 80255190 in words is "eighty million, two hundred fifty-five thousand, one hundred ninety".
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