[go: up one dir, main page]

Search a number
-
+
38539269 = 324282141
BaseRepresentation
bin1001001100000…
…1000000000101
32200111222221100
42103001000011
534331224034
63454010313
7645402246
oct223010005
980458840
1038539269
111a83313a
1210aa6999
137ca4a02
145192ccd
1535b4099
hex24c1005

38539269 has 6 divisors (see below), whose sum is σ = 55667846. Its totient is φ = 25692840.

The previous prime is 38539253. The next prime is 38539273. The reversal of 38539269 is 96293583.

38539269 is a `hidden beast` number, since 385 + 3 + 9 + 269 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 16916769 = 4650^2 + 4113^2 .

It is not a de Polignac number, because 38539269 - 24 = 38539253 is a prime.

It is a super-2 number, since 2×385392692 = 2970550510108722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38539219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2141062 + ... + 2141079.

Almost surely, 238539269 is an apocalyptic number.

It is an amenable number.

38539269 is a deficient number, since it is larger than the sum of its proper divisors (17128577).

38539269 is a wasteful number, since it uses less digits than its factorization.

38539269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282147 (or 4282144 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 38539269 is about 6208.0004027062. Note that the first 3 decimals coincide. The cubic root of 38539269 is about 337.7804352292.

The spelling of 38539269 in words is "thirty-eight million, five hundred thirty-nine thousand, two hundred sixty-nine".

Divisors: 1 3 9 4282141 12846423 38539269