Base | Representation |
---|---|
bin | 1000101011000… |
… | …11100001110000 |
3 | 12001220120010220 |
4 | 10111203201300 |
5 | 122111300113 |
6 | 11115253040 |
7 | 1542305361 |
oct | 425434160 |
9 | 161816126 |
10 | 72759408 |
11 | 38086247 |
12 | 2044a180 |
13 | 120c6807 |
14 | 993db68 |
15 | 65c3523 |
hex | 4563870 |
72759408 has 20 divisors (see below), whose sum is σ = 187961928. Its totient is φ = 24253120.
The previous prime is 72759403. The next prime is 72759433. The reversal of 72759408 is 80495727.
It is a super-3 number, since 3×727594083 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 72759408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72759403) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 757863 + ... + 757958.
Almost surely, 272759408 is an apocalyptic number.
It is an amenable number.
72759408 is an abundant number, since it is smaller than the sum of its proper divisors (115202520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72759408 is a wasteful number, since it uses less digits than its factorization.
72759408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1515832 (or 1515826 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 72759408 is about 8529.9125435141. The cubic root of 72759408 is about 417.4742747724.
The spelling of 72759408 in words is "seventy-two million, seven hundred fifty-nine thousand, four hundred eight".
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