Base | Representation |
---|---|
bin | 111010001010… |
… | …1100111111010 |
3 | 2010101102101200 |
4 | 1310111213322 |
5 | 30301403044 |
6 | 3005355030 |
7 | 520136223 |
oct | 164254772 |
9 | 63342350 |
10 | 30497274 |
11 | 16240065 |
12 | a268a76 |
13 | 641a432 |
14 | 409c24a |
15 | 2a26369 |
hex | 1d159fa |
30497274 has 24 divisors (see below), whose sum is σ = 66823380. Its totient is φ = 10051008.
The previous prime is 30497267. The next prime is 30497297. The reversal of 30497274 is 47279403.
It can be written as a sum of positive squares in 2 ways, for example, as 22896225 + 7601049 = 4785^2 + 2757^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7917 + ... + 11120.
Almost surely, 230497274 is an apocalyptic number.
30497274 is an abundant number, since it is smaller than the sum of its proper divisors (36326106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30497274 is a wasteful number, since it uses less digits than its factorization.
30497274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19134 (or 19131 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 30497274 is about 5522.4337026351. The cubic root of 30497274 is about 312.4306798776.
The spelling of 30497274 in words is "thirty million, four hundred ninety-seven thousand, two hundred seventy-four".
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