Base | Representation |
---|---|
bin | 1001001010111… |
… | …0000100001101 |
3 | 2200101001112202 |
4 | 2102232010031 |
5 | 34321233314 |
6 | 3452211245 |
7 | 644630156 |
oct | 222560415 |
9 | 80331482 |
10 | 38461709 |
11 | 1a78a940 |
12 | 10a69b25 |
13 | 7c78610 |
14 | 517292d |
15 | 359b0de |
hex | 24ae10d |
38461709 has 16 divisors (see below), whose sum is σ = 45650304. Its totient is φ = 31944000.
The previous prime is 38461693. The next prime is 38461723. The reversal of 38461709 is 90716483.
It is not a de Polignac number, because 38461709 - 24 = 38461693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38461739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13112 + ... + 15774.
It is an arithmetic number, because the mean of its divisors is an integer number (2853144).
Almost surely, 238461709 is an apocalyptic number.
It is an amenable number.
38461709 is a deficient number, since it is larger than the sum of its proper divisors (7188595).
38461709 is a wasteful number, since it uses less digits than its factorization.
38461709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2788.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 38461709 is about 6201.7504786955. The cubic root of 38461709 is about 337.5536894925.
It can be divided in two parts, 3846 and 1709, that added together give a palindrome (5555).
The spelling of 38461709 in words is "thirty-eight million, four hundred sixty-one thousand, seven hundred nine".
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