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1669093056 = 26322897731
BaseRepresentation
bin110001101111100…
…0101011011000000
311022022200201020100
41203133011123000
511404241434211
6433342242400
756235025341
oct14337053300
94268621210
101669093056
11787183354
123a6b86400
13207a47837
1411b95c0c8
159b7eb156
hex637c56c0

1669093056 has 42 divisors (see below), whose sum is σ = 4784155532. Its totient is φ = 556364160.

The previous prime is 1669093039. The next prime is 1669093081. The reversal of 1669093056 is 6503909661.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1448290 + ... + 1449441.

Almost surely, 21669093056 is an apocalyptic number.

1669093056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1669093056 is an abundant number, since it is smaller than the sum of its proper divisors (3115062476).

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

1669093056 is a wasteful number, since it uses less digits than its factorization.

1669093056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897749 (or 2897736 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 1669093056 is about 40854.5353173916. The cubic root of 1669093056 is about 1186.2061830441.

It can be divided in two parts, 16690 and 93056, that added together give a triangular number (109746 = T468).

The spelling of 1669093056 in words is "one billion, six hundred sixty-nine million, ninety-three thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 2897731 5795462 8693193 11590924 17386386 23181848 26079579 34772772 46363696 52159158 69545544 92727392 104318316 139091088 185454784 208636632 278182176 417273264 556364352 834546528 1669093056