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676340280 = 233457112711
BaseRepresentation
bin101000010100000…
…010001000111000
31202010122122110000
4220110002020320
52341120342110
6151040153000
722521540360
oct5024021070
91663578400
10676340280
1131785a510
1216a608760
13aa177265
1465b799a0
153e59c1c0
hex28502238

676340280 has 320 divisors, whose sum is σ = 2835233280. Its totient is φ = 140486400.

The previous prime is 676340227. The next prime is 676340297. The reversal of 676340280 is 82043676.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 248125 + ... + 250835.

It is an arithmetic number, because the mean of its divisors is an integer number (8860104).

Almost surely, 2676340280 is an apocalyptic number.

676340280 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 676340280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417616640).

676340280 is an abundant number, since it is smaller than the sum of its proper divisors (2158893000).

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

676340280 is a wasteful number, since it uses less digits than its factorization.

676340280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 676340280 is about 26006.5430228625. The cubic root of 676340280 is about 877.7855305742.

The spelling of 676340280 in words is "six hundred seventy-six million, three hundred forty thousand, two hundred eighty".