Base | Representation |
---|---|
bin | 1001000110001… |
… | …0101111110111 |
3 | 2122210101100202 |
4 | 2101202233313 |
5 | 34231400312 |
6 | 3441431115 |
7 | 642203561 |
oct | 221425767 |
9 | 78711322 |
10 | 38153207 |
11 | 1a59a084 |
12 | 1093b49b |
13 | 7b9b081 |
14 | 50d2331 |
15 | 35399c2 |
hex | 2462bf7 |
38153207 has 4 divisors (see below), whose sum is σ = 38490960. Its totient is φ = 37815456.
The previous prime is 38153201. The next prime is 38153209. The reversal of 38153207 is 70235183.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70235183 = 2053 ⋅34211.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38153207 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38153207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38153201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168707 + ... + 168932.
It is an arithmetic number, because the mean of its divisors is an integer number (9622740).
Almost surely, 238153207 is an apocalyptic number.
38153207 is a deficient number, since it is larger than the sum of its proper divisors (337753).
38153207 is a wasteful number, since it uses less digits than its factorization.
38153207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337752.
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 38153207 is about 6176.8282313822. The cubic root of 38153207 is about 336.6487577747.
The spelling of 38153207 in words is "thirty-eight million, one hundred fifty-three thousand, two hundred seven".
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