Search a number
-
+
38693328 = 243806111
BaseRepresentation
bin1001001110011…
…0100111010000
32200210211021020
42103212213100
534401141303
63501155440
7646613352
oct223464720
980724236
1038693328
111a928963
1210b5bb80
138029b7b
1451d30d2
1535e4a53
hex24e69d0

38693328 has 20 divisors (see below), whose sum is σ = 99957888. Its totient is φ = 12897760.

The previous prime is 38693327. The next prime is 38693351. The reversal of 38693328 is 82339683.

It is a self number, because there is not a number n which added to its sum of digits gives 38693328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38693323) 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, 403008 + ... + 403103.

Almost surely, 238693328 is an apocalyptic number.

It is an amenable number.

38693328 is an abundant number, since it is smaller than the sum of its proper divisors (61264560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38693328 is a wasteful number, since it uses less digits than its factorization.

38693328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806122 (or 806116 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 38693328 is about 6220.3961288651. The cubic root of 38693328 is about 338.2299242049.

The spelling of 38693328 in words is "thirty-eight million, six hundred ninety-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 806111 1612222 2418333 3224444 4836666 6448888 9673332 12897776 19346664 38693328