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289214672 = 24137131941
BaseRepresentation
bin10001001111010…
…001000011010000
3202011012121221112
4101033101003100
51043014332142
644410512452
710111166315
oct2117210320
9664177845
10289214672
1113928829a
1280a35728
1347bc2956
142a5a6d0c
151a5cd382
hex113d10d0

289214672 has 20 divisors (see below), whose sum is σ = 564447876. Its totient is φ = 143550720.

The previous prime is 289214657. The next prime is 289214677. The reversal of 289214672 is 276412982.

It can be written as a sum of positive squares in 2 ways, for example, as 130051216 + 159163456 = 11404^2 + 12616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289214677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63779 + ... + 68162.

Almost surely, 2289214672 is an apocalyptic number.

It is an amenable number.

289214672 is a deficient number, since it is larger than the sum of its proper divisors (275233204).

289214672 is a wasteful number, since it uses less digits than its factorization.

289214672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132086 (or 132080 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 289214672 is about 17006.3127102850. The cubic root of 289214672 is about 661.3125639325.

The spelling of 289214672 in words is "two hundred eighty-nine million, two hundred fourteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 131941 263882 527764 1055528 2111056 18075917 36151834 72303668 144607336 289214672