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2942825 = 52532221
BaseRepresentation
bin1011001110011101101001
312112111210112
423032131221
51223132300
6143024105
734004444
oct13163551
95474715
102942825
11172aa96
12b9b035
137c0622
1456865b
153d1e35
hex2ce769

2942825 has 12 divisors (see below), whose sum is σ = 3719628. Its totient is φ = 2308800.

The previous prime is 2942809. The next prime is 2942843. The reversal of 2942825 is 5282492.

It can be written as a sum of positive squares in 6 ways, for example, as 11881 + 2930944 = 109^2 + 1712^2 .

It is not a de Polignac number, because 2942825 - 24 = 2942809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2942791 and 2942800.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 215 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (309969).

22942825 is an apocalyptic number.

2942825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2942825 is a deficient number, since it is larger than the sum of its proper divisors (776803).

2942825 is a wasteful number, since it uses less digits than its factorization.

2942825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2279 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2942825 is about 1715.4664088813. The cubic root of 2942825 is about 143.3028449064.

The spelling of 2942825 in words is "two million, nine hundred forty-two thousand, eight hundred twenty-five".

Divisors: 1 5 25 53 265 1325 2221 11105 55525 117713 588565 2942825