Search a number
-
+
38320705 = 549915359
BaseRepresentation
bin1001001000101…
…1101001000001
32200002220010101
42102023221001
534302230310
63445202401
7643502113
oct222135101
980086111
1038320705
111a6a3a05
1210a00401
137c29397
1451373b3
15356e43a
hex248ba41

38320705 has 8 divisors (see below), whose sum is σ = 46080000. Its totient is φ = 30593136.

The previous prime is 38320657. The next prime is 38320721. The reversal of 38320705 is 50702383.

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 38320705 - 27 = 38320577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (5760000).

Almost surely, 238320705 is an apocalyptic number.

It is an amenable number.

38320705 is a deficient number, since it is larger than the sum of its proper divisors (7759295).

38320705 is a wasteful number, since it uses less digits than its factorization.

38320705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15863.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 38320705 is about 6190.3719597452. The cubic root of 38320705 is about 337.1406838942.

The spelling of 38320705 in words is "thirty-eight million, three hundred twenty thousand, seven hundred five".

Divisors: 1 5 499 2495 15359 76795 7664141 38320705