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268486 = 2134243
BaseRepresentation
bin1000001100011000110
3111122021221
41001203012
532042421
65430554
72165521
oct1014306
9448257
10268486
11173799
1210b45a
139528a
146dbb8
1554841
hex418c6

268486 has 4 divisors (see below), whose sum is σ = 402732. Its totient is φ = 134242.

The previous prime is 268459. The next prime is 268487. The reversal of 268486 is 684862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67120 + ... + 67123.

It is an arithmetic number, because the mean of its divisors is an integer number (100683).

2268486 is an apocalyptic number.

268486 is a deficient number, since it is larger than the sum of its proper divisors (134246).

268486 is a wasteful number, since it uses less digits than its factorization.

268486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134245.

The product of its digits is 18432, while the sum is 34.

The square root of 268486 is about 518.1563470614. The cubic root of 268486 is about 64.5120062581.

The spelling of 268486 in words is "two hundred sixty-eight thousand, four hundred eighty-six".

Divisors: 1 2 134243 268486