Base | Representation |
---|---|
bin | 1001010100001… |
… | …1001011100101 |
3 | 2201112002101002 |
4 | 2111003023211 |
5 | 40000304420 |
6 | 3513243045 |
7 | 653052644 |
oct | 225031345 |
9 | 81462332 |
10 | 39072485 |
11 | 20067811 |
12 | 11103485 |
13 | 813061a |
14 | 529135b |
15 | 366c075 |
hex | 25432e5 |
39072485 has 8 divisors (see below), whose sum is σ = 47039616. Its totient is φ = 31156240.
The previous prime is 39072461. The next prime is 39072487. The reversal of 39072485 is 58427093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-39072485 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 (39072487) 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, 11009 + ... + 14118.
It is an arithmetic number, because the mean of its divisors is an integer number (5879952).
Almost surely, 239072485 is an apocalyptic number.
It is an amenable number.
39072485 is a deficient number, since it is larger than the sum of its proper divisors (7967131).
39072485 is a wasteful number, since it uses less digits than its factorization.
39072485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25443.
The product of its (nonzero) digits is 60480, while the sum is 38.
The square root of 39072485 is about 6250.7987489600. The cubic root of 39072485 is about 339.3311099686.
The spelling of 39072485 in words is "thirty-nine million, seventy-two thousand, four hundred eighty-five".
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