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828812 = 22383541
BaseRepresentation
bin11001010010110001100
31120002220202
43022112030
5203010222
625433032
710021235
oct3122614
91502822
10828812
11516776
1233b778
1323032a
1417808c
15115892
hexca58c

828812 has 12 divisors (see below), whose sum is σ = 1456896. Its totient is φ = 412560.

The previous prime is 828811. The next prime is 828823. The reversal of 828812 is 218828.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (828811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (121408).

2828812 is an apocalyptic number.

It is an amenable number.

828812 is a deficient number, since it is larger than the sum of its proper divisors (628084).

828812 is a wasteful number, since it uses less digits than its factorization.

828812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 926 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 828812 is about 910.3911247371. The cubic root of 828812 is about 93.9331046610.

The spelling of 828812 in words is "eight hundred twenty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 383 541 766 1082 1532 2164 207203 414406 828812