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264485 = 5132313
BaseRepresentation
bin1000000100100100101
3111102210202
41000210211
531430420
65400245
72151044
oct1004445
9442722
10264485
11170791
12109085
1393500
146c55b
1553575
hex40925

264485 has 12 divisors (see below), whose sum is σ = 344772. Its totient is φ = 194688.

The previous prime is 264463. The next prime is 264487. The reversal of 264485 is 584462.

It can be written as a sum of positive squares in 6 ways, for example, as 139876 + 124609 = 374^2 + 353^2 .

It is not a de Polignac number, because 264485 - 218 = 2341 is a prime.

It is a d-powerful number, because it can be written as 211 + 63 + 43 + 49 + 8 + 5 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689 + ... + 1001.

It is an arithmetic number, because the mean of its divisors is an integer number (28731).

2264485 is an apocalyptic number.

It is an amenable number.

264485 is a deficient number, since it is larger than the sum of its proper divisors (80287).

264485 is a wasteful number, since it uses less digits than its factorization.

264485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 331 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 264485 is about 514.2810515662. The cubic root of 264485 is about 64.1899467635.

The spelling of 264485 in words is "two hundred sixty-four thousand, four hundred eighty-five".

Divisors: 1 5 13 65 169 313 845 1565 4069 20345 52897 264485