Base | Representation |
---|---|
bin | 1001001001011… |
… | …1100010000001 |
3 | 2200012100221020 |
4 | 2102113202001 |
5 | 34310310114 |
6 | 3450220053 |
7 | 644064111 |
oct | 222274201 |
9 | 80170836 |
10 | 38369409 |
11 | 1a727561 |
12 | 10a24629 |
13 | 7c455c0 |
14 | 514b041 |
15 | 357daa9 |
hex | 2497881 |
38369409 has 16 divisors (see below), whose sum is σ = 55272000. Its totient is φ = 23535936.
The previous prime is 38369381. The next prime is 38369447. The reversal of 38369409 is 90496383.
It is not a de Polignac number, because 38369409 - 27 = 38369281 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38369479) 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, 12202 + ... + 15020.
It is an arithmetic number, because the mean of its divisors is an integer number (3454500).
Almost surely, 238369409 is an apocalyptic number.
38369409 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
38369409 is a deficient number, since it is larger than the sum of its proper divisors (16902591).
38369409 is a wasteful number, since it uses less digits than its factorization.
38369409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3184.
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 38369409 is about 6194.3045614500. The cubic root of 38369409 is about 337.2834539568.
The spelling of 38369409 in words is "thirty-eight million, three hundred sixty-nine thousand, four hundred nine".
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