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1055205245 = 5241875689
BaseRepresentation
bin111110111001010…
…010011101111101
32201112112222110202
4332321102131331
54130113031440
6252412413245
735102045063
oct7671223575
92645488422
101055205245
114a16aa356
12255477225
1313a7c8903
14a01dc033
1562988615
hex3ee5277d

1055205245 has 8 divisors (see below), whose sum is σ = 1271501880. Its totient is φ = 840660480.

The previous prime is 1055205211. The next prime is 1055205253. The reversal of 1055205245 is 5425025501.

It can be written as a sum of positive squares in 4 ways, for example, as 70375321 + 984829924 = 8389^2 + 31382^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-1055205245 is a prime.

It is a super-2 number, since 2×10552052452 = 2226916218151020050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436640 + ... + 439049.

It is an arithmetic number, because the mean of its divisors is an integer number (158937735).

Almost surely, 21055205245 is an apocalyptic number.

It is an amenable number.

1055205245 is a deficient number, since it is larger than the sum of its proper divisors (216296635).

1055205245 is an equidigital number, since it uses as much as digits as its factorization.

1055205245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875935.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1055205245 is about 32483.9228696289. The cubic root of 1055205245 is about 1018.0731420744.

The spelling of 1055205245 in words is "one billion, fifty-five million, two hundred five thousand, two hundred forty-five".

Divisors: 1 5 241 1205 875689 4378445 211041049 1055205245