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314389 = 2937293
BaseRepresentation
bin1001100110000010101
3120222021001
41030300111
540030024
610423301
72446405
oct1146025
9528231
10314389
111a5229
12131b31
13b013a
1482805
1563244
hex4cc15

314389 has 8 divisors (see below), whose sum is σ = 335160. Its totient is φ = 294336.

The previous prime is 314359. The next prime is 314399. The reversal of 314389 is 983413.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 119025 = 442^2 + 345^2 .

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 314389 - 25 = 314357 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 (314329) 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, 927 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (41895).

2314389 is an apocalyptic number.

It is an amenable number.

314389 is a deficient number, since it is larger than the sum of its proper divisors (20771).

314389 is a wasteful number, since it uses less digits than its factorization.

314389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 2592, while the sum is 28.

The square root of 314389 is about 560.7040217441. The cubic root of 314389 is about 67.9969000894.

It can be divided in two parts, 314 and 389, that added together give a triangular number (703 = T37).

The spelling of 314389 in words is "three hundred fourteen thousand, three hundred eighty-nine".

Divisors: 1 29 37 293 1073 8497 10841 314389