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1054656481 = 10079104639
BaseRepresentation
bin111110110111001…
…100011111100001
32201111112002201011
4332313030133201
54124443001411
6252352540521
735064301144
oct7667143741
92644462634
101054656481
114a136502a
12255251741
1313a665bb8
14a00d805b
15628cac21
hex3edcc7e1

1054656481 has 4 divisors (see below), whose sum is σ = 1054771200. Its totient is φ = 1054541764.

The previous prime is 1054656469. The next prime is 1054656517. The reversal of 1054656481 is 1846564501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1054656481 - 219 = 1054132193 is a prime.

It is a super-2 number, since 2×10546564812 = 2224600585830606722, 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 (1054656401) 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, 42241 + ... + 62398.

It is an arithmetic number, because the mean of its divisors is an integer number (263692800).

Almost surely, 21054656481 is an apocalyptic number.

It is an amenable number.

1054656481 is a deficient number, since it is larger than the sum of its proper divisors (114719).

1054656481 is a wasteful number, since it uses less digits than its factorization.

1054656481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114718.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1054656481 is about 32475.4750696583. The cubic root of 1054656481 is about 1017.8966270414.

The spelling of 1054656481 in words is "one billion, fifty-four million, six hundred fifty-six thousand, four hundred eighty-one".

Divisors: 1 10079 104639 1054656481