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289487414 = 2144743707
BaseRepresentation
bin10001010000010…
…011101000110110
3202011201111002002
4101100103220312
51043102044124
644420415302
710113413426
oct2120235066
9664644062
10289487414
111394541a7
1280b47532
1347c89b38
142a638486
151a6340ae
hex11413a36

289487414 has 4 divisors (see below), whose sum is σ = 434231124. Its totient is φ = 144743706.

The previous prime is 289487389. The next prime is 289487417. The reversal of 289487414 is 414784982.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289487417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72371852 + ... + 72371855.

It is an arithmetic number, because the mean of its divisors is an integer number (108557781).

Almost surely, 2289487414 is an apocalyptic number.

289487414 is a deficient number, since it is larger than the sum of its proper divisors (144743710).

289487414 is a wasteful number, since it uses less digits than its factorization.

289487414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144743709.

The product of its digits is 516096, while the sum is 47.

The square root of 289487414 is about 17014.3296664899. The cubic root of 289487414 is about 661.5203807785.

The spelling of 289487414 in words is "two hundred eighty-nine million, four hundred eighty-seven thousand, four hundred fourteen".

Divisors: 1 2 144743707 289487414