Base | Representation |
---|---|
bin | 1001010001100… |
… | …0011011001011 |
3 | 2201012012010210 |
4 | 2110120123023 |
5 | 34424203410 |
6 | 3505412203 |
7 | 651423240 |
oct | 224303313 |
9 | 81165123 |
10 | 38897355 |
11 | 1aa58182 |
12 | 1103a063 |
13 | 809b9b3 |
14 | 52475c7 |
15 | 3635220 |
hex | 25186cb |
38897355 has 16 divisors (see below), whose sum is σ = 71126784. Its totient is φ = 17781600.
The previous prime is 38897333. The next prime is 38897357. The reversal of 38897355 is 55379883.
It is a happy number.
It is not a de Polignac number, because 38897355 - 27 = 38897227 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38897357) 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, 185121 + ... + 185330.
It is an arithmetic number, because the mean of its divisors is an integer number (4445424).
Almost surely, 238897355 is an apocalyptic number.
38897355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
38897355 is a deficient number, since it is larger than the sum of its proper divisors (32229429).
38897355 is a wasteful number, since it uses less digits than its factorization.
38897355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370466.
The product of its digits is 907200, while the sum is 48.
The square root of 38897355 is about 6236.7744066945. The cubic root of 38897355 is about 338.8233693196.
The spelling of 38897355 in words is "thirty-eight million, eight hundred ninety-seven thousand, three hundred fifty-five".
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