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3002857 = 112132383
BaseRepresentation
bin1011011101000111101001
312122120010221
423131013221
51232042412
6144210041
734344454
oct13350751
95576127
103002857
111771100
121009921
13811a50
1458249b
153e4b07
hex2dd1e9

3002857 has 24 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 2381280.

The previous prime is 3002849. The next prime is 3002861. The reversal of 3002857 is 7582003.

It is not a de Polignac number, because 3002857 - 23 = 3002849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36138 + ... + 36220.

It is an arithmetic number, because the mean of its divisors is an integer number (156408).

Almost surely, 23002857 is an apocalyptic number.

It is an amenable number.

3002857 is a deficient number, since it is larger than the sum of its proper divisors (750935).

3002857 is a wasteful number, since it uses less digits than its factorization.

3002857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3002857 is about 1732.8753561639. The cubic root of 3002857 is about 144.2707259161.

The spelling of 3002857 in words is "three million, two thousand, eight hundred fifty-seven".

Divisors: 1 11 13 23 83 121 143 253 299 913 1079 1573 1909 2783 3289 10043 11869 20999 24817 36179 130559 230989 272987 3002857