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340285 = 51123269
BaseRepresentation
bin1010011000100111101
3122021210011
41103010331
541342120
611143221
72615041
oct1230475
9567704
10340285
11212730
12144b11
13bbb6a
148c021
156ac5a
hex5313d

340285 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 235840.

The previous prime is 340283. The next prime is 340297. The reversal of 340285 is 582043.

It is not a de Polignac number, because 340285 - 21 = 340283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2340285 is an apocalyptic number.

It is an amenable number.

340285 is a deficient number, since it is larger than the sum of its proper divisors (126275).

340285 is a wasteful number, since it uses less digits than its factorization.

340285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 340285 is about 583.3395237767. The cubic root of 340285 is about 69.8148166563.

It can be divided in two parts, 340 and 285, that added together give a 4-th power (625 = 54).

The spelling of 340285 in words is "three hundred forty thousand, two hundred eighty-five".

Divisors: 1 5 11 23 55 115 253 269 1265 1345 2959 6187 14795 30935 68057 340285