Base | Representation |
---|---|
bin | 1000100101000… |
… | …00011110011000 |
3 | 12000101222012200 |
4 | 10102200132120 |
5 | 121410213342 |
6 | 11050210200 |
7 | 1532440203 |
oct | 422403630 |
9 | 160358180 |
10 | 71960472 |
11 | 3768aa71 |
12 | 20123960 |
13 | 11ba6c7c |
14 | 97b293a |
15 | 64b694c |
hex | 44a0798 |
71960472 has 24 divisors (see below), whose sum is σ = 194893140. Its totient is φ = 23986800.
The previous prime is 71960461. The next prime is 71960489. The reversal of 71960472 is 27406917.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499654 + ... + 499797.
Almost surely, 271960472 is an apocalyptic number.
71960472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
71960472 is an abundant number, since it is smaller than the sum of its proper divisors (122932668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71960472 is a wasteful number, since it uses less digits than its factorization.
71960472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999463 (or 999456 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 71960472 is about 8482.9518447295. The cubic root of 71960472 is about 415.9406196062.
The spelling of 71960472 in words is "seventy-one million, nine hundred sixty thousand, four hundred seventy-two".
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