Base | Representation |
---|---|
bin | 1001001011100… |
… | …1001001001101 |
3 | 2200110100210100 |
4 | 2102321021031 |
5 | 34324211320 |
6 | 3453201313 |
7 | 645206361 |
oct | 222711115 |
9 | 80410710 |
10 | 38507085 |
11 | 1a810a41 |
12 | 10a90239 |
13 | 7c93176 |
14 | 51852a1 |
15 | 35a9790 |
hex | 24b924d |
38507085 has 12 divisors (see below), whose sum is σ = 66745692. Its totient is φ = 20537088.
The previous prime is 38507071. The next prime is 38507089. The reversal of 38507085 is 58070583.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 31505769 = 2646^2 + 5613^2 .
It is not a de Polignac number, because 38507085 - 24 = 38507069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38507089) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427812 + ... + 427901.
It is an arithmetic number, because the mean of its divisors is an integer number (5562141).
Almost surely, 238507085 is an apocalyptic number.
It is an amenable number.
38507085 is a deficient number, since it is larger than the sum of its proper divisors (28238607).
38507085 is a wasteful number, since it uses less digits than its factorization.
38507085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855724 (or 855721 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 38507085 is about 6205.4077223016. The cubic root of 38507085 is about 337.6863826489.
The spelling of 38507085 in words is "thirty-eight million, five hundred seven thousand, eighty-five".
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