Base | Representation |
---|---|
bin | 111001011000… |
… | …1011101011111 |
3 | 2002121120121121 |
4 | 1302301131133 |
5 | 30200241012 |
6 | 2552511411 |
7 | 513510136 |
oct | 162613537 |
9 | 62546547 |
10 | 30087007 |
11 | 15a8a8a5 |
12 | a0ab567 |
13 | 6305782 |
14 | 3dd291d |
15 | 2994a07 |
hex | 1cb175f |
30087007 has 8 divisors (see below), whose sum is σ = 31202640. Its totient is φ = 28976640.
The previous prime is 30086999. The next prime is 30087017. The reversal of 30087007 is 70078003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30087007 - 23 = 30086999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30087017) 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, 13183 + ... + 15295.
It is an arithmetic number, because the mean of its divisors is an integer number (3900330).
Almost surely, 230087007 is an apocalyptic number.
30087007 is a deficient number, since it is larger than the sum of its proper divisors (1115633).
30087007 is a wasteful number, since it uses less digits than its factorization.
30087007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2633.
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 30087007 is about 5485.1624406211. The cubic root of 30087007 is about 311.0233506383.
The spelling of 30087007 in words is "thirty million, eighty-seven thousand, seven".
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