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1055276660 = 22552763833
BaseRepresentation
bin111110111001100…
…011111001110100
32201112200121102202
4332321203321310
54130122323120
6252414124032
735102463224
oct7671437164
92645617382
101055276660
114a1748a79
122554b0618
1313a822279
14a021a084
156299e875
hex3ee63e74

1055276660 has 12 divisors (see below), whose sum is σ = 2216081028. Its totient is φ = 422110656.

The previous prime is 1055276659. The next prime is 1055276669. The reversal of 1055276660 is 666725501.

It can be written as a sum of positive squares in 2 ways, for example, as 117202276 + 938074384 = 10826^2 + 30628^2 .

It is a super-2 number, since 2×10552766602 = 2227217658281511200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055276669) 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, 26381897 + ... + 26381936.

It is an arithmetic number, because the mean of its divisors is an integer number (184673419).

Almost surely, 21055276660 is an apocalyptic number.

1055276660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055276660 is an abundant number, since it is smaller than the sum of its proper divisors (1160804368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055276660 is a wasteful number, since it uses less digits than its factorization.

1055276660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52763842 (or 52763840 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1055276660 is about 32485.0220871096. The cubic root of 1055276660 is about 1018.0961088712.

The spelling of 1055276660 in words is "one billion, fifty-five million, two hundred seventy-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 52763833 105527666 211055332 263819165 527638330 1055276660