Search a number
-
+
392276 = 22281349
BaseRepresentation
bin1011111110001010100
3201221002202
41133301110
5100023101
612224032
73222443
oct1376124
9657082
10392276
112487a5
1216b018
13109721
14a2d5a
157b36b
hex5fc54

392276 has 12 divisors (see below), whose sum is σ = 690900. Its totient is φ = 194880.

The previous prime is 392269. The next prime is 392279. The reversal of 392276 is 672293.

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 115600 = 526^2 + 340^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392279) by changing a digit.

392276 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (57575).

2392276 is an apocalyptic number.

It is an amenable number.

392276 is a deficient number, since it is larger than the sum of its proper divisors (298624).

392276 is a wasteful number, since it uses less digits than its factorization.

392276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 392276 is about 626.3194073314. The cubic root of 392276 is about 73.2032865038.

The spelling of 392276 in words is "three hundred ninety-two thousand, two hundred seventy-six".

Divisors: 1 2 4 281 349 562 698 1124 1396 98069 196138 392276