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38040243 = 319963719
BaseRepresentation
bin1001000100011…
…1001010110011
32122120122101220
42101013022303
534214241433
63435200123
7641223333
oct221071263
978518356
1038040243
111a52221a
12108a6043
137b5b827
1450a30c3
1535162b3
hex24472b3

38040243 has 8 divisors (see below), whose sum is σ = 50976000. Its totient is φ = 25232328.

The previous prime is 38040217. The next prime is 38040253. The reversal of 38040243 is 34204083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38040243 - 26 = 38040179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38040253) 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, 31263 + ... + 32456.

It is an arithmetic number, because the mean of its divisors is an integer number (6372000).

Almost surely, 238040243 is an apocalyptic number.

38040243 is a deficient number, since it is larger than the sum of its proper divisors (12935757).

38040243 is a wasteful number, since it uses less digits than its factorization.

38040243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63921.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 38040243 is about 6167.6772775495. The cubic root of 38040243 is about 336.3161794902.

It can be divided in two parts, 38040 and 243, that added together give a palindrome (38283).

The spelling of 38040243 in words is "thirty-eight million, forty thousand, two hundred forty-three".

Divisors: 1 3 199 597 63719 191157 12680081 38040243