Base | Representation |
---|---|
bin | 111010011101… |
… | …1101000010101 |
3 | 2010200022221102 |
4 | 1310323220111 |
5 | 30321343244 |
6 | 3012555445 |
7 | 521355125 |
oct | 164735025 |
9 | 63608842 |
10 | 30652949 |
11 | 16337018 |
12 | a322b85 |
13 | 6473252 |
14 | 40dcc85 |
15 | 2a5754e |
hex | 1d3ba15 |
30652949 has 4 divisors (see below), whose sum is σ = 30749964. Its totient is φ = 30555936.
The previous prime is 30652943. The next prime is 30652957. The reversal of 30652949 is 94925603.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4202500 + 26450449 = 2050^2 + 5143^2 .
It is a cyclic number.
It is not a de Polignac number, because 30652949 - 28 = 30652693 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30652943) 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, 48032 + ... + 48665.
It is an arithmetic number, because the mean of its divisors is an integer number (7687491).
Almost surely, 230652949 is an apocalyptic number.
It is an amenable number.
30652949 is a deficient number, since it is larger than the sum of its proper divisors (97015).
30652949 is an equidigital number, since it uses as much as digits as its factorization.
30652949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97014.
The product of its (nonzero) digits is 58320, while the sum is 38.
The square root of 30652949 is about 5536.5105436547. The cubic root of 30652949 is about 312.9613843830.
The spelling of 30652949 in words is "thirty million, six hundred fifty-two thousand, nine hundred forty-nine".
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