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675445056 = 263111373337
BaseRepresentation
bin101000010000100…
…111100101000000
31202001222011102120
4220100213211000
52340403220211
6151005044240
722511121366
oct5020474500
91661864376
10675445056
113172a8960
1216a256680
13a9c22940
14659c5636
153e471d06
hex28427940

675445056 has 224 divisors, whose sum is σ = 2134624128. Its totient is φ = 185794560.

The previous prime is 675445033. The next prime is 675445093. The reversal of 675445056 is 650544576.

It is a junction number, because it is equal to n+sod(n) for n = 675444999 and 675445017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2004120 + ... + 2004456.

It is an arithmetic number, because the mean of its divisors is an integer number (9529572).

Almost surely, 2675445056 is an apocalyptic number.

675445056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675445056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067312064).

675445056 is an abundant number, since it is smaller than the sum of its proper divisors (1459179072).

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

675445056 is a wasteful number, since it uses less digits than its factorization.

675445056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 675445056 is about 25989.3258088778. The cubic root of 675445056 is about 877.3980719426.

The spelling of 675445056 in words is "six hundred seventy-five million, four hundred forty-five thousand, fifty-six".