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828280 = 23520707
BaseRepresentation
bin11001010001101111000
31120002012001
43022031320
5203001110
625430344
710016545
oct3121570
91502161
10828280
11516332
1233b3b4
1323000b
14177bcc
1511563a
hexca378

828280 has 16 divisors (see below), whose sum is σ = 1863720. Its totient is φ = 331296.

The previous prime is 828277. The next prime is 828349. The reversal of 828280 is 82828.

828280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10314 + ... + 10393.

2828280 is an apocalyptic number.

It is an amenable number.

828280 is an abundant number, since it is smaller than the sum of its proper divisors (1035440).

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

828280 is a wasteful number, since it uses less digits than its factorization.

828280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718 (or 20714 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 828280 is about 910.0988957251. The cubic root of 828280 is about 93.9130023508.

The spelling of 828280 in words is "eight hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 20707 41414 82828 103535 165656 207070 414140 828280