Base | Representation |
---|---|
bin | 10010001011010… |
… | …00010011001001 |
3 | 101121220022112001 |
4 | 21011220103021 |
5 | 303013030404 |
6 | 23043551001 |
7 | 3530660035 |
oct | 1105502311 |
9 | 347808461 |
10 | 152470729 |
11 | 7907a574 |
12 | 4308b461 |
13 | 25785688 |
14 | 1636d1c5 |
15 | d5bb7a4 |
hex | 91684c9 |
152470729 has 2 divisors, whose sum is σ = 152470730. Its totient is φ = 152470728.
The previous prime is 152470727. The next prime is 152470753. The reversal of 152470729 is 927074251.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 105575625 + 46895104 = 10275^2 + 6848^2 .
It is a cyclic number.
It is not a de Polignac number, because 152470729 - 21 = 152470727 is a prime.
Together with 152470727, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (152470723) 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 as a sum of consecutive naturals, namely, 76235364 + 76235365.
It is an arithmetic number, because the mean of its divisors is an integer number (76235365).
Almost surely, 2152470729 is an apocalyptic number.
It is an amenable number.
152470729 is a deficient number, since it is larger than the sum of its proper divisors (1).
152470729 is an equidigital number, since it uses as much as digits as its factorization.
152470729 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 152470729 is about 12347.9038302054. The cubic root of 152470729 is about 534.2306804460.
The spelling of 152470729 in words is "one hundred fifty-two million, four hundred seventy thousand, seven hundred twenty-nine".
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