Search a number
-
+
392493 = 3413191
BaseRepresentation
bin1011111110100101101
3201221101210
41133310231
5100024433
612225033
73223203
oct1376455
9657353
10392493
11248982
1216b179
1310985a
14a3073
157b463
hex5fd2d

392493 has 8 divisors (see below), whose sum is σ = 536256. Its totient is φ = 255200.

The previous prime is 392489. The next prime is 392503. The reversal of 392493 is 394293.

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 392493 - 22 = 392489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1473 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2392493 is an apocalyptic number.

It is an amenable number.

392493 is a deficient number, since it is larger than the sum of its proper divisors (143763).

392493 is a wasteful number, since it uses less digits than its factorization.

392493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its digits is 5832, while the sum is 30.

The square root of 392493 is about 626.4926176740. The cubic root of 392493 is about 73.2167822610.

The spelling of 392493 in words is "three hundred ninety-two thousand, four hundred ninety-three".

Divisors: 1 3 41 123 3191 9573 130831 392493