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289301429 = 1922334843
BaseRepresentation
bin10001001111100…
…110001110110101
3202011101000221202
4101033212032311
51043030121204
644412422245
710112010254
oct2117461665
9664330852
10289301429
1113933749a
1280a77985
1347c232a1
142a5ca79b
151a5e8e1e
hex113e63b5

289301429 has 12 divisors (see below), whose sum is σ = 318613536. Its totient is φ = 262151208.

The previous prime is 289301407. The next prime is 289301431. The reversal of 289301429 is 924103982.

It is a de Polignac number, because none of the positive numbers 2k-289301429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289301392 and 289301401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289301449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9119 + ... + 25724.

It is an arithmetic number, because the mean of its divisors is an integer number (26551128).

Almost surely, 2289301429 is an apocalyptic number.

It is an amenable number.

289301429 is a deficient number, since it is larger than the sum of its proper divisors (29312107).

289301429 is a wasteful number, since it uses less digits than its factorization.

289301429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34904 (or 34885 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 289301429 is about 17008.8632483185. The cubic root of 289301429 is about 661.3786829366.

The spelling of 289301429 in words is "two hundred eighty-nine million, three hundred one thousand, four hundred twenty-nine".

Divisors: 1 19 23 361 437 8303 34843 662017 801389 12578323 15226391 289301429