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1055227090 = 25105522709
BaseRepresentation
bin111110111001010…
…111110011010010
32201112121002102211
4332321113303102
54130114231330
6252413102334
735102165551
oct7671276322
92645532384
101055227090
114a1714805
122554879aa
1313a805838
14a0205d98
156298ed2a
hex3ee57cd2

1055227090 has 8 divisors (see below), whose sum is σ = 1899408780. Its totient is φ = 422090832.

The previous prime is 1055227081. The next prime is 1055227091. The reversal of 1055227090 is 907225501.

It can be written as a sum of positive squares in 2 ways, for example, as 1021249849 + 33977241 = 31957^2 + 5829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10552270902 = 2227008422939736200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055227091) 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, 52761345 + ... + 52761364.

Almost surely, 21055227090 is an apocalyptic number.

1055227090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055227090 is a deficient number, since it is larger than the sum of its proper divisors (844181690).

1055227090 is a wasteful number, since it uses less digits than its factorization.

1055227090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105522716.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1055227090 is about 32484.2591111449. The cubic root of 1055227090 is about 1018.0801674547.

The spelling of 1055227090 in words is "one billion, fifty-five million, two hundred twenty-seven thousand, ninety".

Divisors: 1 2 5 10 105522709 211045418 527613545 1055227090