Base | Representation |
---|---|
bin | 111001100011… |
… | …1011100101110 |
3 | 2002210011011021 |
4 | 1303013130232 |
5 | 30211131240 |
6 | 2554444354 |
7 | 514333540 |
oct | 163073456 |
9 | 62704137 |
10 | 30177070 |
11 | 16041530 |
12 | a1336ba |
13 | 6337771 |
14 | 4017690 |
15 | 29b154a |
hex | 1cc772e |
30177070 has 32 divisors (see below), whose sum is σ = 67723776. Its totient is φ = 9405600.
The previous prime is 30177061. The next prime is 30177071. The reversal of 30177070 is 7077103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30177071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18826 + ... + 20365.
It is an arithmetic number, because the mean of its divisors is an integer number (2116368).
Almost surely, 230177070 is an apocalyptic number.
30177070 is an abundant number, since it is smaller than the sum of its proper divisors (37546706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30177070 is a wasteful number, since it uses less digits than its factorization.
30177070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39216.
The product of its (nonzero) digits is 1029, while the sum is 25.
The square root of 30177070 is about 5493.3659990938. The cubic root of 30177070 is about 311.3333824978. Note that the first 4 decimals are identical.
The spelling of 30177070 in words is "thirty million, one hundred seventy-seven thousand, seventy".
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