Base | Representation |
---|---|
bin | 1000101100011… |
… | …00111110000000 |
3 | 12002020011222201 |
4 | 10112030332000 |
5 | 122132213102 |
6 | 11123042544 |
7 | 1543613302 |
oct | 426147600 |
9 | 162204881 |
10 | 72929152 |
11 | 3819182a |
12 | 20510454 |
13 | 12155b5a |
14 | 9985972 |
15 | 6608987 |
hex | 458cf80 |
72929152 has 16 divisors (see below), whose sum is σ = 145288800. Its totient is φ = 36464512.
The previous prime is 72929123. The next prime is 72929179. The reversal of 72929152 is 25192927.
It is a tau number, because it is divible by the number of its divisors (16).
It is a super-2 number, since 2×729291522 = 10637322422878208, which contains 22 as substring.
It is a congruent number.
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 as a sum of consecutive naturals, namely, 284752 + ... + 285007.
It is an arithmetic number, because the mean of its divisors is an integer number (9080550).
Almost surely, 272929152 is an apocalyptic number.
It is an amenable number.
72929152 is a deficient number, since it is larger than the sum of its proper divisors (72359648).
72929152 is an equidigital number, since it uses as much as digits as its factorization.
72929152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569773 (or 569761 counting only the distinct ones).
The product of its digits is 22680, while the sum is 37.
The square root of 72929152 is about 8539.8566732703. The cubic root of 72929152 is about 417.7986713894.
The spelling of 72929152 in words is "seventy-two million, nine hundred twenty-nine thousand, one hundred fifty-two".
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