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289914769 = 2930233307
BaseRepresentation
bin10001010001111…
…011111110010001
3202012112012022001
4101101323332101
51043204233034
644433514001
710120143364
oct2121737621
9665465261
10289914769
11139716291
1281112901
13480a9501
142a70a0db
151a6baa14
hex1147bf91

289914769 has 8 divisors (see below), whose sum is σ = 300101760. Its totient is φ = 279740496.

The previous prime is 289914707. The next prime is 289914773. The reversal of 289914769 is 967419982.

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

It is not a de Polignac number, because 289914769 - 27 = 289914641 is a prime.

It is a super-2 number, since 2×2899147692 = 168101146568646722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289984769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86014 + ... + 89320.

It is an arithmetic number, because the mean of its divisors is an integer number (37512720).

Almost surely, 2289914769 is an apocalyptic number.

289914769 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

289914769 is a deficient number, since it is larger than the sum of its proper divisors (10186991).

289914769 is a wasteful number, since it uses less digits than its factorization.

289914769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359.

The product of its digits is 1959552, while the sum is 55.

The square root of 289914769 is about 17026.8837137040. The cubic root of 289914769 is about 661.8457432743.

The spelling of 289914769 in words is "two hundred eighty-nine million, nine hundred fourteen thousand, seven hundred sixty-nine".

Divisors: 1 29 3023 3307 87667 95903 9997061 289914769