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289412708 = 22137970451
BaseRepresentation
bin10001010000000…
…001011001100100
3202011120200121012
4101100001121210
51043042201313
644415041352
710112652554
oct2120013144
9664520535
10289412708
11139403062
1280b10258
1347c61b30
142a619164
151a61bda8
hex11401664

289412708 has 24 divisors (see below), whose sum is σ = 552343680. Its totient is φ = 131882400.

The previous prime is 289412689. The next prime is 289412723. The reversal of 289412708 is 807214982.

289412708 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31118 + ... + 39333.

It is an arithmetic number, because the mean of its divisors is an integer number (23014320).

Almost surely, 2289412708 is an apocalyptic number.

It is an amenable number.

289412708 is a deficient number, since it is larger than the sum of its proper divisors (262930972).

289412708 is a wasteful number, since it uses less digits than its factorization.

289412708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70547 (or 70545 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 289412708 is about 17012.1341400778. The cubic root of 289412708 is about 661.4634712309.

The spelling of 289412708 in words is "two hundred eighty-nine million, four hundred twelve thousand, seven hundred eight".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 70451 140902 281804 915863 1831726 3663452 5565629 11131258 22262516 72353177 144706354 289412708