Base | Representation |
---|---|
bin | 111001010111… |
… | …0110010001000 |
3 | 2002121000120102 |
4 | 1302232302020 |
5 | 30144413130 |
6 | 2552344532 |
7 | 513433151 |
oct | 162566210 |
9 | 62530512 |
10 | 30076040 |
11 | 15a82635 |
12 | a0a5148 |
13 | 6300797 |
14 | 3dcc928 |
15 | 2991645 |
hex | 1caec88 |
30076040 has 16 divisors (see below), whose sum is σ = 67671180. Its totient is φ = 12030400.
The previous prime is 30076027. The next prime is 30076051. The reversal of 30076040 is 4067003.
It can be written as a sum of positive squares in 2 ways, for example, as 30052324 + 23716 = 5482^2 + 154^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375911 + ... + 375990.
Almost surely, 230076040 is an apocalyptic number.
It is an amenable number.
30076040 is an abundant number, since it is smaller than the sum of its proper divisors (37595140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30076040 is a wasteful number, since it uses less digits than its factorization.
30076040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 751912 (or 751908 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 30076040 is about 5484.1626525843. The cubic root of 30076040 is about 310.9855557233.
The spelling of 30076040 in words is "thirty million, seventy-six thousand, forty".
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