Base | Representation |
---|---|
bin | 1000100100010… |
… | …11110010111000 |
3 | 12000020200000111 |
4 | 10102023302320 |
5 | 121400011033 |
6 | 11044314104 |
7 | 1531635226 |
oct | 422136270 |
9 | 160220014 |
10 | 71875768 |
11 | 37632368 |
12 | 200a2934 |
13 | 11b77553 |
14 | 978db16 |
15 | 649b7cd |
hex | 448bcb8 |
71875768 has 8 divisors (see below), whose sum is σ = 134767080. Its totient is φ = 35937880.
The previous prime is 71875757. The next prime is 71875787. The reversal of 71875768 is 86757817.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×718757682 = 10332252051179648, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492228 + ... + 4492243.
It is an arithmetic number, because the mean of its divisors is an integer number (16845885).
Almost surely, 271875768 is an apocalyptic number.
It is an amenable number.
71875768 is a deficient number, since it is larger than the sum of its proper divisors (62891312).
71875768 is a wasteful number, since it uses less digits than its factorization.
71875768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8984477 (or 8984473 counting only the distinct ones).
The product of its digits is 658560, while the sum is 49.
The square root of 71875768 is about 8477.9577729545. The cubic root of 71875768 is about 415.7773555901. Note that the first 3 decimals are identical.
The spelling of 71875768 in words is "seventy-one million, eight hundred seventy-five thousand, seven hundred sixty-eight".
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