Base | Representation |
---|---|
bin | 111010011101… |
… | …0110001111001 |
3 | 2010200011011101 |
4 | 1310322301321 |
5 | 30321240330 |
6 | 3012531401 |
7 | 521342020 |
oct | 164726171 |
9 | 63604141 |
10 | 30649465 |
11 | 16334440 |
12 | a320b61 |
13 | 64717a2 |
14 | 40db8b7 |
15 | 2a564ca |
hex | 1d3ac79 |
30649465 has 16 divisors (see below), whose sum is σ = 45855360. Its totient is φ = 19105920.
The previous prime is 30649459. The next prime is 30649471. The reversal of 30649465 is 56494603.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30649459) and next prime (30649471).
It is not a de Polignac number, because 30649465 - 217 = 30518393 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39420 + ... + 40189.
It is an arithmetic number, because the mean of its divisors is an integer number (2865960).
Almost surely, 230649465 is an apocalyptic number.
30649465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30649465 is a deficient number, since it is larger than the sum of its proper divisors (15205895).
30649465 is a wasteful number, since it uses less digits than its factorization.
30649465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79632.
The product of its (nonzero) digits is 77760, while the sum is 37.
The square root of 30649465 is about 5536.1958961005. The cubic root of 30649465 is about 312.9495269184.
The spelling of 30649465 in words is "thirty million, six hundred forty-nine thousand, four hundred sixty-five".
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