Base | Representation |
---|---|
bin | 111010000101… |
… | …1010100011010 |
3 | 2010022021111102 |
4 | 1310023110122 |
5 | 30244030231 |
6 | 3004431402 |
7 | 516602165 |
oct | 164132432 |
9 | 63267442 |
10 | 30455066 |
11 | 16211384 |
12 | a248562 |
13 | 6404165 |
14 | 408aadc |
15 | 2a18acb |
hex | 1d0b51a |
30455066 has 8 divisors (see below), whose sum is σ = 45758964. Its totient is φ = 15202080.
The previous prime is 30455063. The next prime is 30455069. The reversal of 30455066 is 66055403.
It is an interprime number because it is at equal distance from previous prime (30455063) and next prime (30455069).
It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 10465225 = 4471^2 + 3235^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×304550662 = 1855022090128712, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30455063) 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, 11195 + ... + 13646.
Almost surely, 230455066 is an apocalyptic number.
30455066 is a deficient number, since it is larger than the sum of its proper divisors (15303898).
30455066 is a wasteful number, since it uses less digits than its factorization.
30455066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25456.
The product of its (nonzero) digits is 10800, while the sum is 29.
The square root of 30455066 is about 5518.6108759361. The cubic root of 30455066 is about 312.2864794219.
The spelling of 30455066 in words is "thirty million, four hundred fifty-five thousand, sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •