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1053219808 = 2541802759
BaseRepresentation
bin111110110001101…
…101101111100000
32201101211002222001
4332301231233200
54124111013213
6252302053344
735046135454
oct7661555740
92641732861
101053219808
114a05736a3
1225487a254
1313a281cb4
149dc42664
15626e51dd
hex3ec6dbe0

1053219808 has 24 divisors (see below), whose sum is σ = 2124102960. Its totient is φ = 513765120.

The previous prime is 1053219787. The next prime is 1053219809. The reversal of 1053219808 is 8089123501.

It is a super-2 number, since 2×10532198082 = 2218543927927113728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053219809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400068 + ... + 402691.

It is an arithmetic number, because the mean of its divisors is an integer number (88504290).

Almost surely, 21053219808 is an apocalyptic number.

It is an amenable number.

1053219808 is an abundant number, since it is smaller than the sum of its proper divisors (1070883152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053219808 is an equidigital number, since it uses as much as digits as its factorization.

1053219808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802810 (or 802802 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1053219808 is about 32453.3481785778. The cubic root of 1053219808 is about 1017.4342176662.

The spelling of 1053219808 in words is "one billion, fifty-three million, two hundred nineteen thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 802759 1605518 3211036 6422072 12844144 25688288 32913119 65826238 131652476 263304952 526609904 1053219808