Base | Representation |
---|---|
bin | 1001001000011… |
… | …0001101111010 |
3 | 2200001202122121 |
4 | 2102012031322 |
5 | 34301022430 |
6 | 3444511454 |
7 | 643350256 |
oct | 222061572 |
9 | 80052577 |
10 | 38298490 |
11 | 1a68924a |
12 | 109ab58a |
13 | 7c1c239 |
14 | 512d266 |
15 | 3567a7a |
hex | 248637a |
38298490 has 36 divisors (see below), whose sum is σ = 73469754. Its totient is φ = 14372208.
The previous prime is 38298461. The next prime is 38298499. The reversal of 38298490 is 9489283.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 34468641 + 3829849 = 5871^2 + 1957^2 .
It is not an unprimeable number, because it can be changed into a prime (38298499) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 371779 + ... + 371881.
Almost surely, 238298490 is an apocalyptic number.
38298490 is a deficient number, since it is larger than the sum of its proper divisors (35171264).
38298490 is a wasteful number, since it uses less digits than its factorization.
38298490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 129 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 38298490 is about 6188.5773809495. The cubic root of 38298490 is about 337.0755230538.
The spelling of 38298490 in words is "thirty-eight million, two hundred ninety-eight thousand, four hundred ninety".
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