Base | Representation |
---|---|
bin | 1000100100111… |
… | …11100110010100 |
3 | 12000101210021210 |
4 | 10102133212110 |
5 | 121410110014 |
6 | 11050141420 |
7 | 1532423556 |
oct | 422374624 |
9 | 160353253 |
10 | 71956884 |
11 | 376882aa |
12 | 20121870 |
13 | 11ba544c |
14 | 97b14d6 |
15 | 64b5859 |
hex | 449f994 |
71956884 has 12 divisors (see below), whose sum is σ = 167899424. Its totient is φ = 23985624.
The previous prime is 71956879. The next prime is 71956889. The reversal of 71956884 is 48865917.
It is an interprime number because it is at equal distance from previous prime (71956879) and next prime (71956889).
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71956889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998192 + ... + 2998215.
Almost surely, 271956884 is an apocalyptic number.
It is an amenable number.
71956884 is an abundant number, since it is smaller than the sum of its proper divisors (95942540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71956884 is a wasteful number, since it uses less digits than its factorization.
71956884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5996414 (or 5996412 counting only the distinct ones).
The product of its digits is 483840, while the sum is 48.
The square root of 71956884 is about 8482.7403591057. The cubic root of 71956884 is about 415.9337064602.
The spelling of 71956884 in words is "seventy-one million, nine hundred fifty-six thousand, eight hundred eighty-four".
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