Base | Representation |
---|---|
bin | 111001111101… |
… | …1010010100010 |
3 | 2010011221102201 |
4 | 1303323102202 |
5 | 30234430120 |
6 | 3003203414 |
7 | 516206602 |
oct | 163732242 |
9 | 63157381 |
10 | 30389410 |
11 | 16177017 |
12 | a21656a |
13 | 63b02cc |
14 | 4070c02 |
15 | 2a0440a |
hex | 1cfb4a2 |
30389410 has 16 divisors (see below), whose sum is σ = 54763776. Its totient is φ = 12141808.
The previous prime is 30389399. The next prime is 30389423. The reversal of 30389410 is 1498303.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15759 + ... + 17581.
It is an arithmetic number, because the mean of its divisors is an integer number (3422736).
Almost surely, 230389410 is an apocalyptic number.
30389410 is a deficient number, since it is larger than the sum of its proper divisors (24374366).
30389410 is a wasteful number, since it uses less digits than its factorization.
30389410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3497.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 30389410 is about 5512.6590679998. The cubic root of 30389410 is about 312.0619055882.
The spelling of 30389410 in words is "thirty million, three hundred eighty-nine thousand, four hundred ten".
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