Base | Representation |
---|---|
bin | 111001111011… |
… | …1100011101000 |
3 | 2010011011110102 |
4 | 1303313203220 |
5 | 30233432440 |
6 | 3003004532 |
7 | 516114200 |
oct | 163674350 |
9 | 63134412 |
10 | 30374120 |
11 | 16166587 |
12 | a209748 |
13 | 63a636a |
14 | 4069400 |
15 | 29eeb15 |
hex | 1cf78e8 |
30374120 has 48 divisors (see below), whose sum is σ = 79504740. Its totient is φ = 10413312.
The previous prime is 30374119. The next prime is 30374167. The reversal of 30374120 is 2147303.
It can be written as a sum of positive squares in 2 ways, for example, as 28751044 + 1623076 = 5362^2 + 1274^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30374092 and 30374101.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5789 + ... + 9708.
Almost surely, 230374120 is an apocalyptic number.
It is an amenable number.
30374120 is an abundant number, since it is smaller than the sum of its proper divisors (49130620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30374120 is a wasteful number, since it uses less digits than its factorization.
30374120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15522 (or 15511 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 30374120 is about 5511.2720854627. The cubic root of 30374120 is about 312.0095603031.
The spelling of 30374120 in words is "thirty million, three hundred seventy-four thousand, one hundred twenty".
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