Base | Representation |
---|---|
bin | 1010011101011… |
… | …10011100101111 |
3 | 20010002222100212 |
4 | 11032232130233 |
5 | 134430340401 |
6 | 12412413035 |
7 | 2113555160 |
oct | 516563457 |
9 | 203088325 |
10 | 87746351 |
11 | 45592150 |
12 | 2547717b |
13 | 15243224 |
14 | b921767 |
15 | 7a83dbb |
hex | 53ae72f |
87746351 has 32 divisors (see below), whose sum is σ = 118341120. Its totient is φ = 62985600.
The previous prime is 87746317. The next prime is 87746353. The reversal of 87746351 is 15364778.
It is a cyclic number.
It is not a de Polignac number, because 87746351 - 222 = 83552047 is a prime.
It is a super-2 number, since 2×877463512 = 15398844227630402, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87746299 and 87746308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87746353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53321 + ... + 54941.
It is an arithmetic number, because the mean of its divisors is an integer number (3698160).
Almost surely, 287746351 is an apocalyptic number.
87746351 is a deficient number, since it is larger than the sum of its proper divisors (30594769).
87746351 is a wasteful number, since it uses less digits than its factorization.
87746351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1695.
The product of its digits is 141120, while the sum is 41.
The square root of 87746351 is about 9367.3022263617. The cubic root of 87746351 is about 444.3682505471.
The spelling of 87746351 in words is "eighty-seven million, seven hundred forty-six thousand, three hundred fifty-one".
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