Base | Representation |
---|---|
bin | 111001100011… |
… | …1011100010000 |
3 | 2002210011010011 |
4 | 1303013130100 |
5 | 30211131130 |
6 | 2554444304 |
7 | 514333465 |
oct | 163073420 |
9 | 62704104 |
10 | 30177040 |
11 | 16041503 |
12 | a133694 |
13 | 633774a |
14 | 401766c |
15 | 29b152a |
hex | 1cc7710 |
30177040 has 40 divisors (see below), whose sum is σ = 74292120. Its totient is φ = 11360256.
The previous prime is 30177031. The next prime is 30177061. The reversal of 30177040 is 4077103.
It can be written as a sum of positive squares in 4 ways, for example, as 8386816 + 21790224 = 2896^2 + 4668^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735 + ... + 12454.
It is an arithmetic number, because the mean of its divisors is an integer number (1857303).
Almost surely, 230177040 is an apocalyptic number.
It is an amenable number.
30177040 is an abundant number, since it is smaller than the sum of its proper divisors (44115080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30177040 is a wasteful number, since it uses less digits than its factorization.
30177040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22219 (or 22213 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 22.
The square root of 30177040 is about 5493.3632685269. The cubic root of 30177040 is about 311.3332793289. Note that the first 3 decimals are identical.
The spelling of 30177040 in words is "thirty million, one hundred seventy-seven thousand, forty".
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