Base | Representation |
---|---|
bin | 1000101100010… |
… | …01100001010011 |
3 | 12002012110121120 |
4 | 10112021201103 |
5 | 122131240102 |
6 | 11122453323 |
7 | 1543524153 |
oct | 426114123 |
9 | 162173546 |
10 | 72915027 |
11 | 38182159 |
12 | 20504243 |
13 | 1214c5b3 |
14 | 9980763 |
15 | 66046bc |
hex | 4589853 |
72915027 has 8 divisors (see below), whose sum is σ = 102336960. Its totient is φ = 46051560.
The previous prime is 72915013. The next prime is 72915041. The reversal of 72915027 is 72051927.
It is an interprime number because it is at equal distance from previous prime (72915013) and next prime (72915041).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72915027 - 212 = 72910931 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72915047) 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 7 ways as a sum of consecutive naturals, for example, 639549 + ... + 639662.
It is an arithmetic number, because the mean of its divisors is an integer number (12792120).
Almost surely, 272915027 is an apocalyptic number.
72915027 is a deficient number, since it is larger than the sum of its proper divisors (29421933).
72915027 is a wasteful number, since it uses less digits than its factorization.
72915027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1279233.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 72915027 is about 8539.0296287107. The cubic root of 72915027 is about 417.7716964093.
The spelling of 72915027 in words is "seventy-two million, nine hundred fifteen thousand, twenty-seven".
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