Base | Representation |
---|---|
bin | 111010100001… |
… | …0000110110011 |
3 | 2010201200022212 |
4 | 1311002012303 |
5 | 30323220400 |
6 | 3013322335 |
7 | 521525351 |
oct | 165020663 |
9 | 63650285 |
10 | 30679475 |
11 | 16354a42 |
12 | a3363ab |
13 | 6482348 |
14 | 41087d1 |
15 | 2a60335 |
hex | 1d421b3 |
30679475 has 24 divisors (see below), whose sum is σ = 41390208. Its totient is φ = 22464000.
The previous prime is 30679463. The next prime is 30679487. The reversal of 30679475 is 57497603.
It is an interprime number because it is at equal distance from previous prime (30679463) and next prime (30679487).
It is not a de Polignac number, because 30679475 - 214 = 30663091 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14750 + ... + 16700.
It is an arithmetic number, because the mean of its divisors is an integer number (1724592).
Almost surely, 230679475 is an apocalyptic number.
30679475 is a deficient number, since it is larger than the sum of its proper divisors (10710733).
30679475 is a wasteful number, since it uses less digits than its factorization.
30679475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2015 (or 2010 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 41.
The square root of 30679475 is about 5538.9055778195. The cubic root of 30679475 is about 313.0516336680.
The spelling of 30679475 in words is "thirty million, six hundred seventy-nine thousand, four hundred seventy-five".
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