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255673 = 1122113
BaseRepresentation
bin111110011010111001
3110222201101
4332122321
531140143
65251401
72113255
oct763271
9428641
10255673
11165100
12103b61
138c4b2
1469265
1550b4d
hex3e6b9

255673 has 6 divisors (see below), whose sum is σ = 281162. Its totient is φ = 232320.

The previous prime is 255667. The next prime is 255679. The reversal of 255673 is 376552.

It is an interprime number because it is at equal distance from previous prime (255667) and next prime (255679).

It can be written as a sum of positive squares in only one way, i.e., 131769 + 123904 = 363^2 + 352^2 .

It is not a de Polignac number, because 255673 - 25 = 255641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 936 + ... + 1177.

2255673 is an apocalyptic number.

It is an amenable number.

255673 is a deficient number, since it is larger than the sum of its proper divisors (25489).

255673 is a wasteful number, since it uses less digits than its factorization.

255673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2124 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 255673 is about 505.6411771207. The cubic root of 255673 is about 63.4689951352.

The spelling of 255673 in words is "two hundred fifty-five thousand, six hundred seventy-three".

Divisors: 1 11 121 2113 23243 255673