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2869029 = 32318781
BaseRepresentation
bin1010111100011100100101
312101202120100
422330130211
51213302104
6141254313
733246342
oct12743445
95352510
102869029
11168a5a9
12b64399
13795b67
145497c9
153ba139
hex2bc725

2869029 has 6 divisors (see below), whose sum is σ = 4144166. Its totient is φ = 1912680.

The previous prime is 2869001. The next prime is 2869033. The reversal of 2869029 is 9209682.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 1046529 = 1350^2 + 1023^2 .

It is not a de Polignac number, because 2869029 - 28 = 2868773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2868984 and 2869002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159382 + ... + 159399.

22869029 is an apocalyptic number.

It is an amenable number.

2869029 is a deficient number, since it is larger than the sum of its proper divisors (1275137).

2869029 is a wasteful number, since it uses less digits than its factorization.

2869029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318787 (or 318784 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2869029 is about 1693.8208287774. The cubic root of 2869029 is about 142.0948417525.

The spelling of 2869029 in words is "two million, eight hundred sixty-nine thousand, twenty-nine".

Divisors: 1 3 9 318781 956343 2869029