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1055244215 = 51391518337
BaseRepresentation
bin111110111001011…
…011111110110111
32201112121221221002
4332321123332313
54130120303330
6252413313515
735102266514
oct7671337667
92645557832
101055244215
114a1726663
1225549589b
1313a81057c
14a020c30b
1562994e45
hex3ee5bfb7

1055244215 has 8 divisors (see below), whose sum is σ = 1275403920. Its totient is φ = 838121472.

The previous prime is 1055244193. The next prime is 1055244259. The reversal of 1055244215 is 5124425501.

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 1055244215 - 210 = 1055243191 is a prime.

It is a super-2 number, since 2×10552442152 = 2227080706581932450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758474 + ... + 759863.

It is an arithmetic number, because the mean of its divisors is an integer number (159425490).

Almost surely, 21055244215 is an apocalyptic number.

1055244215 is a deficient number, since it is larger than the sum of its proper divisors (220159705).

1055244215 is a wasteful number, since it uses less digits than its factorization.

1055244215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518481.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1055244215 is about 32484.5226992794. The cubic root of 1055244215 is about 1018.0856748091.

Adding to 1055244215 its reverse (5124425501), we get a palindrome (6179669716).

The spelling of 1055244215 in words is "one billion, fifty-five million, two hundred forty-four thousand, two hundred fifteen".

Divisors: 1 5 139 695 1518337 7591685 211048843 1055244215