Base | Representation |
---|---|
bin | 111010101001… |
… | …0100101101000 |
3 | 2010212002221012 |
4 | 1311102211220 |
5 | 30332400414 |
6 | 3015003052 |
7 | 522226232 |
oct | 165224550 |
9 | 63762835 |
10 | 30746984 |
11 | 163a0734 |
12 | a369488 |
13 | 64a6ca8 |
14 | 4125252 |
15 | 2a7533e |
hex | 1d52968 |
30746984 has 16 divisors (see below), whose sum is σ = 57797700. Its totient is φ = 15334272.
The previous prime is 30746981. The next prime is 30746987. The reversal of 30746984 is 48964703.
It is an interprime number because it is at equal distance from previous prime (30746981) and next prime (30746987).
It can be written as a sum of positive squares in 2 ways, for example, as 30360100 + 386884 = 5510^2 + 622^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30746981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427 + ... + 7970.
Almost surely, 230746984 is an apocalyptic number.
It is an amenable number.
30746984 is a deficient number, since it is larger than the sum of its proper divisors (27050716).
30746984 is a wasteful number, since it uses less digits than its factorization.
30746984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9812 (or 9808 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The square root of 30746984 is about 5544.9963029744. The cubic root of 30746984 is about 313.2810847944.
Adding to 30746984 its sum of digits (41), we get a square (30747025 = 55452).
The spelling of 30746984 in words is "thirty million, seven hundred forty-six thousand, nine hundred eighty-four".
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