[go: up one dir, main page]

Search a number
-
+
393255 = 345971
BaseRepresentation
bin1100000000000100111
3201222110000
41200000213
5100041010
612232343
73225342
oct1400047
9658400
10393255
11249505
1216b6b3
13109cc5
14a3459
157b7c0
hex60027

393255 has 20 divisors (see below), whose sum is σ = 705672. Its totient is φ = 209520.

The previous prime is 393247. The next prime is 393257. The reversal of 393255 is 552393.

It is not a de Polignac number, because 393255 - 23 = 393247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 35 + 9 + 210 + 36 + 54 + 58 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81 + ... + 890.

2393255 is an apocalyptic number.

393255 is a deficient number, since it is larger than the sum of its proper divisors (312417).

393255 is an equidigital number, since it uses as much as digits as its factorization.

393255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 979 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 393255 is about 627.1004704192. The cubic root of 393255 is about 73.2641335275.

The spelling of 393255 in words is "three hundred ninety-three thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 971 2913 4855 8739 14565 26217 43695 78651 131085 393255