Base | Representation |
---|---|
bin | 1000100001011… |
… | …00011010101100 |
3 | 11222111211010022 |
4 | 10100230122230 |
5 | 121300010400 |
6 | 11032101312 |
7 | 1525420241 |
oct | 420543254 |
9 | 158454108 |
10 | 71485100 |
11 | 373958a5 |
12 | 1bb34838 |
13 | 11a6b79b |
14 | 96cb5c8 |
15 | 6420b85 |
hex | 442c6ac |
71485100 has 18 divisors (see below), whose sum is σ = 155122884. Its totient is φ = 28594000.
The previous prime is 71485097. The next prime is 71485111. The reversal of 71485100 is 158417.
It is a super-2 number, since 2×714851002 = 10220239044020000, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 71485100.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357326 + ... + 357525.
It is an arithmetic number, because the mean of its divisors is an integer number (8617938).
Almost surely, 271485100 is an apocalyptic number.
It is an amenable number.
71485100 is an abundant number, since it is smaller than the sum of its proper divisors (83637784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71485100 is a wasteful number, since it uses less digits than its factorization.
71485100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 714865 (or 714858 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 26.
The square root of 71485100 is about 8454.8861612679. The cubic root of 71485100 is about 415.0226919416.
The spelling of 71485100 in words is "seventy-one million, four hundred eighty-five thousand, one hundred".
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