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677203680 = 25353171641
BaseRepresentation
bin101000010111010…
…100111011100000
31202012021111210210
4220113110323200
52341331004210
6151110454120
722532064516
oct5027247340
91665244723
10677203680
1131829a16a
1216a964340
13aa3ba24a
1465d224b6
153e6bce20
hex285d4ee0

677203680 has 192 divisors, whose sum is σ = 2236502016. Its totient is φ = 172032000.

The previous prime is 677203673. The next prime is 677203733. The reversal of 677203680 is 86302776.

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, 1056160 + ... + 1056800.

It is an arithmetic number, because the mean of its divisors is an integer number (11648448).

Almost surely, 2677203680 is an apocalyptic number.

677203680 is a gapful number since it is divisible by the number (60) 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 677203680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118251008).

677203680 is an abundant number, since it is smaller than the sum of its proper divisors (1559298336).

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

677203680 is a wasteful number, since it uses less digits than its factorization.

677203680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 677203680 is about 26023.1373973239. The cubic root of 677203680 is about 878.1588918248.

The spelling of 677203680 in words is "six hundred seventy-seven million, two hundred three thousand, six hundred eighty".