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1055620285 = 5431489847
BaseRepresentation
bin111110111010110…
…111110010111101
32201120100001210121
4332322313302331
54130214322120
6252425334541
735105424106
oct7672676275
92646301717
101055620285
114a1963165
12255637451
1313a9127b5
14a02a93ad
1562a1b5aa
hex3eeb7cbd

1055620285 has 8 divisors (see below), whose sum is σ = 1269686016. Its totient is φ = 842535120.

The previous prime is 1055620243. The next prime is 1055620303. The reversal of 1055620285 is 5820265501.

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

It is not a de Polignac number, because 1055620285 - 27 = 1055620157 is a prime.

It is a super-2 number, since 2×10556202852 = 2228668372206962450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055620285.

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, 242769 + ... + 247078.

It is an arithmetic number, because the mean of its divisors is an integer number (158710752).

Almost surely, 21055620285 is an apocalyptic number.

It is an amenable number.

1055620285 is a deficient number, since it is larger than the sum of its proper divisors (214065731).

1055620285 is an equidigital number, since it uses as much as digits as its factorization.

1055620285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490283.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1055620285 is about 32490.3106325563. The cubic root of 1055620285 is about 1018.2066029002.

Adding to 1055620285 its reverse (5820265501), we get a palindrome (6875885786).

The spelling of 1055620285 in words is "one billion, fifty-five million, six hundred twenty thousand, two hundred eighty-five".

Divisors: 1 5 431 2155 489847 2449235 211124057 1055620285