Base | Representation |
---|---|
bin | 111010100011… |
… | …1110111010010 |
3 | 2010202212200022 |
4 | 1311013313102 |
5 | 30324444213 |
6 | 3014023442 |
7 | 521654201 |
oct | 165076722 |
9 | 63685608 |
10 | 30703058 |
11 | 16370731 |
12 | a347b82 |
13 | 648ccb9 |
14 | 4113238 |
15 | 2a67308 |
hex | 1d47dd2 |
30703058 has 4 divisors (see below), whose sum is σ = 46054590. Its totient is φ = 15351528.
The previous prime is 30703033. The next prime is 30703067. The reversal of 30703058 is 85030703.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85030703 = 239 ⋅355777.
It can be written as a sum of positive squares in only one way, i.e., 21780889 + 8922169 = 4667^2 + 2987^2 .
It is a super-3 number, since 3×307030583 (a number of 23 digits) contains 333 as substring.
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 as a sum of consecutive naturals, namely, 7675763 + ... + 7675766.
Almost surely, 230703058 is an apocalyptic number.
30703058 is a deficient number, since it is larger than the sum of its proper divisors (15351532).
30703058 is a wasteful number, since it uses less digits than its factorization.
30703058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15351531.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 30703058 is about 5541.0340190257. The cubic root of 30703058 is about 313.1318263246.
The spelling of 30703058 in words is "thirty million, seven hundred three thousand, fifty-eight".
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