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289672 = 2336209
BaseRepresentation
bin1000110101110001000
3112201100121
41012232020
533232142
610113024
72314345
oct1065610
9481317
10289672
111886a9
1211b774
13a1b06
14777cc
155ac67
hex46b88

289672 has 8 divisors (see below), whose sum is σ = 543150. Its totient is φ = 144832.

The previous prime is 289669. The next prime is 289717. The reversal of 289672 is 276982.

It can be written as a sum of positive squares in only one way, i.e., 276676 + 12996 = 526^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18097 + ... + 18112.

2289672 is an apocalyptic number.

It is an amenable number.

289672 is a deficient number, since it is larger than the sum of its proper divisors (253478).

289672 is a wasteful number, since it uses less digits than its factorization.

289672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36215 (or 36211 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 289672 is about 538.2118541987. The cubic root of 289672 is about 66.1660952759.

It can be divided in two parts, 289 and 672, that added together give a square (961 = 312).

The spelling of 289672 in words is "two hundred eighty-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 8 36209 72418 144836 289672