Search a number
-
+
38285400 = 2335263809
BaseRepresentation
bin1001001000001…
…1000001011000
32200001002200210
42102003001120
534300113100
63444331120
7643264146
oct222030130
980032623
1038285400
111a67a42a
12109a3aa0
137c162aa
145128596
153563c50
hex2483058

38285400 has 48 divisors (see below), whose sum is σ = 118686600. Its totient is φ = 10209280.

The previous prime is 38285393. The next prime is 38285413. The reversal of 38285400 is 458283.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31305 + ... + 32504.

Almost surely, 238285400 is an apocalyptic number.

38285400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38285400 is an abundant number, since it is smaller than the sum of its proper divisors (80401200).

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

38285400 is a wasteful number, since it uses less digits than its factorization.

38285400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63828 (or 63819 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 38285400 is about 6187.5196969383. The cubic root of 38285400 is about 337.0371157834.

The spelling of 38285400 in words is "thirty-eight million, two hundred eighty-five thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 63809 127618 191427 255236 319045 382854 510472 638090 765708 957135 1276180 1531416 1595225 1914270 2552360 3190450 3828540 4785675 6380900 7657080 9571350 12761800 19142700 38285400