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1055253515 = 5487433369
BaseRepresentation
bin111110111001011…
…110010000001011
32201112122102200112
4332321132100023
54130121103030
6252413424535
735102335601
oct7671362013
92645572615
101055253515
114a1732648
1225549b14b
1313a814884
14a0211871
1562997a95
hex3ee5e40b

1055253515 has 8 divisors (see below), whose sum is σ = 1268907360. Its totient is φ = 842467392.

The previous prime is 1055253503. The next prime is 1055253533. The reversal of 1055253515 is 5153525501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055253515 - 210 = 1055252491 is a prime.

It is a super-2 number, since 2×10552535152 = 2227119961839710450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214250 + ... + 219119.

It is an arithmetic number, because the mean of its divisors is an integer number (158613420).

Almost surely, 21055253515 is an apocalyptic number.

1055253515 is a deficient number, since it is larger than the sum of its proper divisors (213653845).

1055253515 is an equidigital number, since it uses as much as digits as its factorization.

1055253515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433861.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 1055253515 is about 32484.6658440563. The cubic root of 1055253515 is about 1018.0886656393.

The spelling of 1055253515 in words is "one billion, fifty-five million, two hundred fifty-three thousand, five hundred fifteen".

Divisors: 1 5 487 2435 433369 2166845 211050703 1055253515