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2086828 = 22521707
BaseRepresentation
bin111111101011110101100
310221000120221
413331132230
51013234303
6112421124
723511022
oct7753654
93830527
102086828
1111a5957
128477a4
13580b13
143c4712
152b34bd
hex1fd7ac

2086828 has 6 divisors (see below), whose sum is σ = 3651956. Its totient is φ = 1043412.

The previous prime is 2086823. The next prime is 2086829. The reversal of 2086828 is 8286802.

It is a happy number.

It is a super-2 number, since 2×20868282 = 8709702203168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2086793 and 2086802.

It is not an unprimeable number, because it can be changed into a prime (2086823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260850 + ... + 260857.

22086828 is an apocalyptic number.

It is an amenable number.

2086828 is a deficient number, since it is larger than the sum of its proper divisors (1565128).

2086828 is a wasteful number, since it uses less digits than its factorization.

2086828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521711 (or 521709 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 2086828 is about 1444.5857537716. The cubic root of 2086828 is about 127.7896120664.

The spelling of 2086828 in words is "two million, eighty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 4 521707 1043414 2086828