Search a number
-
+
289702 = 2720693
BaseRepresentation
bin1000110101110100110
3112201101201
41012232212
533232302
610113114
72314420
oct1065646
9481351
10289702
11188726
1211b79a
13a1b2a
1477810
155ac87
hex46ba6

289702 has 8 divisors (see below), whose sum is σ = 496656. Its totient is φ = 124152.

The previous prime is 289669. The next prime is 289717. The reversal of 289702 is 207982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10333 + ... + 10360.

It is an arithmetic number, because the mean of its divisors is an integer number (62082).

2289702 is an apocalyptic number.

289702 is a deficient number, since it is larger than the sum of its proper divisors (206954).

289702 is a wasteful number, since it uses less digits than its factorization.

289702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 289702 is about 538.2397235433. The cubic root of 289702 is about 66.1683793700.

It can be divided in two parts, 28 and 9702, that added together give a triangular number (9730 = T139).

The spelling of 289702 in words is "two hundred eighty-nine thousand, seven hundred two".

Divisors: 1 2 7 14 20693 41386 144851 289702