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392330 = 2539233
BaseRepresentation
bin1011111110010001010
3201221011202
41133302022
5100023310
612224202
73222551
oct1376212
9657152
10392330
11248844
1216b062
13109763
14a2d98
157b3a5
hex5fc8a

392330 has 8 divisors (see below), whose sum is σ = 706212. Its totient is φ = 156928.

The previous prime is 392321. The next prime is 392333. The reversal of 392330 is 33293.

It can be written as a sum of positive squares in 2 ways, for example, as 339889 + 52441 = 583^2 + 229^2 .

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (392333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19607 + ... + 19626.

2392330 is an apocalyptic number.

392330 is a deficient number, since it is larger than the sum of its proper divisors (313882).

392330 is a wasteful number, since it uses less digits than its factorization.

392330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39240.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 392330 is about 626.3625148426. The cubic root of 392330 is about 73.2066453600.

The spelling of 392330 in words is "three hundred ninety-two thousand, three hundred thirty".

Divisors: 1 2 5 10 39233 78466 196165 392330