Base | Representation |
---|---|
bin | 1001000110100… |
… | …1010100000101 |
3 | 2122211202020211 |
4 | 2101221110011 |
5 | 34233230401 |
6 | 3442155421 |
7 | 642345151 |
oct | 221512405 |
9 | 78752224 |
10 | 38180101 |
11 | 1a608303 |
12 | 10952b71 |
13 | 7baa39b |
14 | 50dc061 |
15 | 3542951 |
hex | 2469505 |
38180101 has 8 divisors (see below), whose sum is σ = 40547520. Its totient is φ = 35848512.
The previous prime is 38180099. The next prime is 38180123. The reversal of 38180101 is 10108183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38180101 - 21 = 38180099 is a prime.
It is a super-2 number, since 2×381801012 = 2915440224740402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38180141) 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, 6745 + ... + 11038.
It is an arithmetic number, because the mean of its divisors is an integer number (5068440).
Almost surely, 238180101 is an apocalyptic number.
It is an amenable number.
38180101 is a deficient number, since it is larger than the sum of its proper divisors (2367419).
38180101 is a wasteful number, since it uses less digits than its factorization.
38180101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17915.
The product of its (nonzero) digits is 192, while the sum is 22.
The square root of 38180101 is about 6179.0048551526. The cubic root of 38180101 is about 336.7278398572.
Adding to 38180101 its reverse (10108183), we get a palindrome (48288284).
The spelling of 38180101 in words is "thirty-eight million, one hundred eighty thousand, one hundred one".
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