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2061285428 = 221739237727
BaseRepresentation
bin111101011011100…
…1011100000110100
312022122200011000202
41322313023200310
513210142113203
6540312300032
7102036431336
oct17267134064
95278604022
102061285428
119685a6284
124963a1618
1326b084427
14157a8d456
15c0e6b388
hex7adcb834

2061285428 has 24 divisors (see below), whose sum is σ = 3820908672. Its totient is φ = 969643904.

The previous prime is 2061285409. The next prime is 2061285481. The reversal of 2061285428 is 8245821602.

It is a junction number, because it is equal to n+sod(n) for n = 2061285391 and 2061285400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262901 + ... + 270627.

It is an arithmetic number, because the mean of its divisors is an integer number (159204528).

Almost surely, 22061285428 is an apocalyptic number.

It is an amenable number.

2061285428 is a deficient number, since it is larger than the sum of its proper divisors (1759623244).

2061285428 is a wasteful number, since it uses less digits than its factorization.

2061285428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671 (or 11669 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 2061285428 is about 45401.3813446243. The cubic root of 2061285428 is about 1272.6609279993.

The spelling of 2061285428 in words is "two billion, sixty-one million, two hundred eighty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 3923 7727 7846 15454 15692 30908 66691 131359 133382 262718 266764 525436 30313021 60626042 121252084 515321357 1030642714 2061285428