Base | Representation |
---|---|
bin | 111001111011… |
… | …0111010000010 |
3 | 2010011000210211 |
4 | 1303312322002 |
5 | 30233341313 |
6 | 3002544334 |
7 | 516103345 |
oct | 163667202 |
9 | 63130724 |
10 | 30371458 |
11 | 16164587 |
12 | a2080aa |
13 | 63a50a0 |
14 | 406845c |
15 | 29ede3d |
hex | 1cf6e82 |
30371458 has 8 divisors (see below), whose sum is σ = 49061628. Its totient is φ = 14017584.
The previous prime is 30371449. The next prime is 30371461. The reversal of 30371458 is 85417303.
It can be written as a sum of positive squares in 2 ways, for example, as 30217009 + 154449 = 5497^2 + 393^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×303714582 = 1844850922091528, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584041 + ... + 584092.
Almost surely, 230371458 is an apocalyptic number.
30371458 is a deficient number, since it is larger than the sum of its proper divisors (18690170).
30371458 is a wasteful number, since it uses less digits than its factorization.
30371458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1168148.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 30371458 is about 5511.0305751284. The cubic root of 30371458 is about 312.0004451561. Note that the first 3 decimals are identical.
The spelling of 30371458 in words is "thirty million, three hundred seventy-one thousand, four hundred fifty-eight".
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