Base | Representation |
---|---|
bin | 111010000001… |
… | …0101000110001 |
3 | 2010020110201100 |
4 | 1310002220301 |
5 | 30241411010 |
6 | 3003555013 |
7 | 516363414 |
oct | 164025061 |
9 | 63213640 |
10 | 30419505 |
11 | 16197696 |
12 | a22ba69 |
13 | 63c0c0c |
14 | 407bb7b |
15 | 2a0d2c0 |
hex | 1d02a31 |
30419505 has 24 divisors (see below), whose sum is σ = 53247168. Its totient is φ = 16063776.
The previous prime is 30419497. The next prime is 30419507. The reversal of 30419505 is 50591403.
It is not a de Polignac number, because 30419505 - 23 = 30419497 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30419507) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1354 + ... + 7916.
It is an arithmetic number, because the mean of its divisors is an integer number (2218632).
Almost surely, 230419505 is an apocalyptic number.
It is an amenable number.
30419505 is a deficient number, since it is larger than the sum of its proper divisors (22827663).
30419505 is a wasteful number, since it uses less digits than its factorization.
30419505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6677 (or 6674 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 30419505 is about 5515.3880189883. The cubic root of 30419505 is about 312.1648844941.
The spelling of 30419505 in words is "thirty million, four hundred nineteen thousand, five hundred five".
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