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1842001925 = 5273680077
BaseRepresentation
bin110110111001010…
…1011100000000101
311202101001101121112
41231302223200011
512233023030200
6502440254405
763434521001
oct15562534005
94671041545
101842001925
11865842345
12434a71405
13234807b8a
141368cb701
15abaa3535
hex6dcab805

1842001925 has 6 divisors (see below), whose sum is σ = 2284082418. Its totient is φ = 1473601520.

The previous prime is 1842001913. The next prime is 1842001951. The reversal of 1842001925 is 5291002481.

It can be written as a sum of positive squares in 3 ways, for example, as 5536609 + 1836465316 = 2353^2 + 42854^2 .

It is a de Polignac number, because none of the positive numbers 2k-1842001925 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1842001891 and 1842001900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36840014 + ... + 36840063.

It is an arithmetic number, because the mean of its divisors is an integer number (380680403).

Almost surely, 21842001925 is an apocalyptic number.

It is an amenable number.

1842001925 is a deficient number, since it is larger than the sum of its proper divisors (442080493).

1842001925 is an equidigital number, since it uses as much as digits as its factorization.

1842001925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73680087 (or 73680082 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1842001925 is about 42918.5498939561. The cubic root of 1842001925 is about 1225.8293814231.

The spelling of 1842001925 in words is "one billion, eight hundred forty-two million, one thousand, nine hundred twenty-five".

Divisors: 1 5 25 73680077 368400385 1842001925