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6029989 = 721091129
BaseRepresentation
bin10111000000001010100101
3102100100120221
4113000022211
53020424424
6333124341
7102153100
oct27001245
912310527
106029989
113449469
1220296b1
131331854
14b2d737
157e19e4
hex5c02a5

6029989 has 12 divisors (see below), whose sum is σ = 7085100. Its totient is φ = 5116608.

The previous prime is 6029987. The next prime is 6030023. The reversal of 6029989 is 9899206.

It can be written as a sum of positive squares in 2 ways, for example, as 2160900 + 3869089 = 1470^2 + 1967^2 .

It is not a de Polignac number, because 6029989 - 21 = 6029987 is a prime.

It is a Duffinian number.

6029989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6029981) 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, 4777 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (590425).

Almost surely, 26029989 is an apocalyptic number.

It is an amenable number.

6029989 is a deficient number, since it is larger than the sum of its proper divisors (1055111).

6029989 is a wasteful number, since it uses less digits than its factorization.

6029989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 6029989 is about 2455.6035917876. The cubic root of 6029989 is about 182.0142986794.

The spelling of 6029989 in words is "six million, twenty-nine thousand, nine hundred eighty-nine".

Divisors: 1 7 49 109 763 1129 5341 7903 55321 123061 861427 6029989