Base | Representation |
---|---|
bin | 1001010001100… |
… | …1011011010001 |
3 | 2201012101202201 |
4 | 2110121123101 |
5 | 34424321312 |
6 | 3505443201 |
7 | 651441220 |
oct | 224313321 |
9 | 81171681 |
10 | 38901457 |
11 | 1aa60271 |
12 | 11040501 |
13 | 80a081a |
14 | 5248cb7 |
15 | 3636557 |
hex | 25196d1 |
38901457 has 8 divisors (see below), whose sum is σ = 47074176. Its totient is φ = 31382592.
The previous prime is 38901449. The next prime is 38901461. The reversal of 38901457 is 75410983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38901457 - 23 = 38901449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38901157) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163333 + ... + 163570.
It is an arithmetic number, because the mean of its divisors is an integer number (5884272).
Almost surely, 238901457 is an apocalyptic number.
It is an amenable number.
38901457 is a deficient number, since it is larger than the sum of its proper divisors (8172719).
38901457 is a wasteful number, since it uses less digits than its factorization.
38901457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326927.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 38901457 is about 6237.1032539152. The cubic root of 38901457 is about 338.8352793377.
The spelling of 38901457 in words is "thirty-eight million, nine hundred one thousand, four hundred fifty-seven".
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