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1745369420 = 225871910009
BaseRepresentation
bin110100000001000…
…0011100101001100
311111122012221201212
41220002003211030
512033303310140
6445105153552
761152252404
oct15002034514
94448187655
101745369420
11816240973
1240862b8b8
1321a7a3092
14127b35804
15a3366765
hex6808394c

1745369420 has 24 divisors (see below), whose sum is σ = 3666062400. Its totient is φ = 697997952.

The previous prime is 1745369407. The next prime is 1745369453. The reversal of 1745369420 is 249635471.

It is a super-2 number, since 2×17453694202 = 6092628824542272800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169376 + ... + 179384.

It is an arithmetic number, because the mean of its divisors is an integer number (152752600).

Almost surely, 21745369420 is an apocalyptic number.

1745369420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1745369420 is an abundant number, since it is smaller than the sum of its proper divisors (1920692980).

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

1745369420 is a wasteful number, since it uses less digits than its factorization.

1745369420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18737 (or 18735 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1745369420 is about 41777.6186492241. The cubic root of 1745369420 is about 1204.0073021194.

The spelling of 1745369420 in words is "one billion, seven hundred forty-five million, three hundred sixty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8719 10009 17438 20018 34876 40036 43595 50045 87190 100090 174380 200180 87268471 174536942 349073884 436342355 872684710 1745369420