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1054661683 = 9831072901
BaseRepresentation
bin111110110111001…
…101110000110011
32201111112100211211
4332313031300303
54124443133213
6252353020551
735064322255
oct7667156063
92644470754
101054661683
114a1368a29
12255254757
1313a66838a
14a00d9cd5
15628cc53d
hex3edcdc33

1054661683 has 4 divisors (see below), whose sum is σ = 1055735568. Its totient is φ = 1053587800.

The previous prime is 1054661677. The next prime is 1054661689. The reversal of 1054661683 is 3861664501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3861664501 = 13927781759.

It is an interprime number because it is at equal distance from previous prime (1054661677) and next prime (1054661689).

It is a cyclic number.

It is not a de Polignac number, because 1054661683 - 213 = 1054653491 is a prime.

It is a super-2 number, since 2×10546616832 = 2224622531176784978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054661689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535468 + ... + 537433.

It is an arithmetic number, because the mean of its divisors is an integer number (263933892).

Almost surely, 21054661683 is an apocalyptic number.

1054661683 is a deficient number, since it is larger than the sum of its proper divisors (1073885).

1054661683 is an equidigital number, since it uses as much as digits as its factorization.

1054661683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073884.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1054661683 is about 32475.5551607667. Note that the first 3 decimals coincide. The cubic root of 1054661683 is about 1017.8983006004.

The spelling of 1054661683 in words is "one billion, fifty-four million, six hundred sixty-one thousand, six hundred eighty-three".

Divisors: 1 983 1072901 1054661683