Base | Representation |
---|---|
bin | 111011000100… |
… | …0010001011101 |
3 | 2011021021120101 |
4 | 1312020101131 |
5 | 30411420002 |
6 | 3023421101 |
7 | 524133304 |
oct | 166102135 |
9 | 64237511 |
10 | 30966877 |
11 | 16530967 |
12 | a454791 |
13 | 65530c6 |
14 | 418143b |
15 | 2aba587 |
hex | 1d8845d |
30966877 has 8 divisors (see below), whose sum is σ = 32905656. Its totient is φ = 29041152.
The previous prime is 30966857. The next prime is 30966883. The reversal of 30966877 is 77866903.
It can be written as a sum of positive squares in 4 ways, for example, as 20169081 + 10797796 = 4491^2 + 3286^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30966877 is a prime.
It is a super-2 number, since 2×309668772 = 1917894942266258, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30966857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873 + ... + 8089.
It is an arithmetic number, because the mean of its divisors is an integer number (4113207).
Almost surely, 230966877 is an apocalyptic number.
It is an amenable number.
30966877 is a deficient number, since it is larger than the sum of its proper divisors (1938779).
30966877 is a wasteful number, since it uses less digits than its factorization.
30966877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6527.
The product of its (nonzero) digits is 381024, while the sum is 46.
The square root of 30966877 is about 5564.7890346355. The cubic root of 30966877 is about 314.0261415481.
The spelling of 30966877 in words is "thirty million, nine hundred sixty-six thousand, eight hundred seventy-seven".
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