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2945828 = 221743321
BaseRepresentation
bin1011001111001100100100
312112122220202
423033030210
51223231303
6143050032
734016264
oct13171444
95478822
102945828
111732276
12ba0918
137c1ac2
145697a4
153d2c88
hex2cf324

2945828 has 12 divisors (see below), whose sum is σ = 5458572. Its totient is φ = 1386240.

The previous prime is 2945807. The next prime is 2945851. The reversal of 2945828 is 8285492.

2945828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 487204 = 1568^2 + 698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2945791 and 2945800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21593 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (454881).

22945828 is an apocalyptic number.

It is an amenable number.

2945828 is a deficient number, since it is larger than the sum of its proper divisors (2512744).

2945828 is a wasteful number, since it uses less digits than its factorization.

2945828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43342 (or 43340 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 2945828 is about 1716.3414578690. The cubic root of 2945828 is about 143.3515727045.

It can be divided in two parts, 2945 and 828, that added together give a palindrome (3773).

The spelling of 2945828 in words is "two million, nine hundred forty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 43321 86642 173284 736457 1472914 2945828