Base | Representation |
---|---|
bin | 111010101100… |
… | …0000011001011 |
3 | 2010220020121202 |
4 | 1311120003023 |
5 | 30334104410 |
6 | 3015254415 |
7 | 522351401 |
oct | 165300313 |
9 | 63806552 |
10 | 30769355 |
11 | 16406521 |
12 | a37a40b |
13 | 64b4226 |
14 | 412d471 |
15 | 2a7bca5 |
hex | 1d580cb |
30769355 has 4 divisors (see below), whose sum is σ = 36923232. Its totient is φ = 24615480.
The previous prime is 30769327. The next prime is 30769357. The reversal of 30769355 is 55396703.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55396703 = 229 ⋅241907.
It is a de Polignac number, because none of the positive numbers 2k-30769355 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30769357) 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, 3076931 + ... + 3076940.
It is an arithmetic number, because the mean of its divisors is an integer number (9230808).
Almost surely, 230769355 is an apocalyptic number.
30769355 is a deficient number, since it is larger than the sum of its proper divisors (6153877).
30769355 is an equidigital number, since it uses as much as digits as its factorization.
30769355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6153876.
The product of its (nonzero) digits is 85050, while the sum is 38.
The square root of 30769355 is about 5547.0131602512. The cubic root of 30769355 is about 313.3570457634.
The spelling of 30769355 in words is "thirty million, seven hundred sixty-nine thousand, three hundred fifty-five".
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