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268485 = 3572557
BaseRepresentation
bin1000001100011000101
3111122021220
41001203011
532042420
65430553
72165520
oct1014305
9448256
10268485
11173798
1210b459
1395289
146dbb7
1554840
hex418c5

268485 has 16 divisors (see below), whose sum is σ = 491136. Its totient is φ = 122688.

The previous prime is 268459. The next prime is 268487. The reversal of 268485 is 584862.

268485 = 702 + 712 + ... + 1042.

It is not a de Polignac number, because 268485 - 214 = 252101 is a prime.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 1174 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (30696).

2268485 is an apocalyptic number.

It is an amenable number.

268485 is a deficient number, since it is larger than the sum of its proper divisors (222651).

268485 is a wasteful number, since it uses less digits than its factorization.

268485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 15360, while the sum is 33.

The square root of 268485 is about 518.1553821008. The cubic root of 268485 is about 64.5119261644.

The spelling of 268485 in words is "two hundred sixty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 2557 7671 12785 17899 38355 53697 89495 268485