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390382 = 2474153
BaseRepresentation
bin1011111010011101110
3201211111121
41133103232
544443012
612211154
73214066
oct1372356
9654447
10390382
11247333
12169aba
131088c5
14a23a6
157aa07
hex5f4ee

390382 has 8 divisors (see below), whose sum is σ = 598176. Its totient is φ = 190992.

The previous prime is 390373. The next prime is 390389. The reversal of 390382 is 283093.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390389) by changing a digit.

390382 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (74772).

2390382 is an apocalyptic number.

390382 is a deficient number, since it is larger than the sum of its proper divisors (207794).

390382 is a wasteful number, since it uses less digits than its factorization.

390382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 390382 is about 624.8055697575. The cubic root of 390382 is about 73.0852822031.

The spelling of 390382 in words is "three hundred ninety thousand, three hundred eighty-two".

Divisors: 1 2 47 94 4153 8306 195191 390382