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1049072285 = 5375670661
BaseRepresentation
bin111110100001111…
…001001010011101
32201010000101122002
4332201321022131
54122030303120
6252033132045
734665652532
oct7641711235
92633011562
101049072285
114991a0598
122533ba025
1313945c241
149d482d89
1562176375
hex3e87929d

1049072285 has 8 divisors (see below), whose sum is σ = 1292910936. Its totient is φ = 816575040.

The previous prime is 1049072279. The next prime is 1049072309. The reversal of 1049072285 is 5822709401.

It can be written as a sum of positive squares in 4 ways, for example, as 96609241 + 952463044 = 9829^2 + 30862^2 .

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

It is not a de Polignac number, because 1049072285 - 26 = 1049072221 is a prime.

It is a super-2 number, since 2×10490722852 = 2201105318310242450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2835146 + ... + 2835515.

It is an arithmetic number, because the mean of its divisors is an integer number (161613867).

Almost surely, 21049072285 is an apocalyptic number.

It is an amenable number.

1049072285 is a deficient number, since it is larger than the sum of its proper divisors (243838651).

1049072285 is an equidigital number, since it uses as much as digits as its factorization.

1049072285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670703.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1049072285 is about 32389.3853754590. The cubic root of 1049072285 is about 1016.0969269779.

The spelling of 1049072285 in words is "one billion, forty-nine million, seventy-two thousand, two hundred eighty-five".

Divisors: 1 5 37 185 5670661 28353305 209814457 1049072285