Base | Representation |
---|---|
bin | 111010101010… |
… | …0011110111001 |
3 | 2010212111120122 |
4 | 1311110132321 |
5 | 30333122440 |
6 | 3015103025 |
7 | 522260660 |
oct | 165243671 |
9 | 63774518 |
10 | 30754745 |
11 | 163a654a |
12 | a371a75 |
13 | 64aa698 |
14 | 4127dd7 |
15 | 2a777b5 |
hex | 1d547b9 |
30754745 has 16 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 21009984.
The previous prime is 30754741. The next prime is 30754747. The reversal of 30754745 is 54745703.
It is a cyclic number.
It is not a de Polignac number, because 30754745 - 22 = 30754741 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30754741) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8756 + ... + 11754.
It is an arithmetic number, because the mean of its divisors is an integer number (2646000).
Almost surely, 230754745 is an apocalyptic number.
30754745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30754745 is a deficient number, since it is larger than the sum of its proper divisors (11581255).
30754745 is a wasteful number, since it uses less digits than its factorization.
30754745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3304.
The product of its (nonzero) digits is 58800, while the sum is 35.
The square root of 30754745 is about 5545.6960789427. The cubic root of 30754745 is about 313.3074415253.
The spelling of 30754745 in words is "thirty million, seven hundred fifty-four thousand, seven hundred forty-five".
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