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2056984 = 23257123
BaseRepresentation
bin111110110001100011000
310212111122121
413312030120
51011310414
6112031024
723325016
oct7661430
93774577
102056984
111185496
12832474
13570367
143b78b6
152a9724
hex1f6318

2056984 has 8 divisors (see below), whose sum is σ = 3856860. Its totient is φ = 1028488.

The previous prime is 2056979. The next prime is 2056987. The reversal of 2056984 is 4896502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056987) by changing a digit.

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 as a sum of consecutive naturals, namely, 128554 + ... + 128569.

22056984 is an apocalyptic number.

It is an amenable number.

2056984 is a deficient number, since it is larger than the sum of its proper divisors (1799876).

2056984 is a wasteful number, since it uses less digits than its factorization.

2056984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257129 (or 257125 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2056984 is about 1434.2189512065. The cubic root of 2056984 is about 127.1775061420.

The spelling of 2056984 in words is "two million, fifty-six thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 257123 514246 1028492 2056984