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258323 = 1331641
BaseRepresentation
bin111111000100010011
3111010100112
4333010103
531231243
65311535
72124062
oct770423
9433315
10258323
1116709a
121055ab
1390770
146a1d9
1551818
hex3f113

258323 has 8 divisors (see below), whose sum is σ = 287616. Its totient is φ = 230400.

The previous prime is 258319. The next prime is 258329. The reversal of 258323 is 323852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258323 - 22 = 258319 is a prime.

It is a d-powerful number, because it can be written as 22 + 56 + 3 + 8 + 216 + 311 .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258323.

It is not an unprimeable number, because it can be changed into a prime (258329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (35952).

2258323 is an apocalyptic number.

258323 is a deficient number, since it is larger than the sum of its proper divisors (29293).

258323 is a wasteful number, since it uses less digits than its factorization.

258323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its digits is 1440, while the sum is 23.

The square root of 258323 is about 508.2548573305. The cubic root of 258323 is about 63.6875230531.

The spelling of 258323 in words is "two hundred fifty-eight thousand, three hundred twenty-three".

Divisors: 1 13 31 403 641 8333 19871 258323