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6826728 = 233284447
BaseRepresentation
bin11010000010101011101000
3110211211111210
4122002223220
53221423403
6402153120
7112011666
oct32025350
913754453
106826728
113943027
1223527a0
1315503ac
14c99c36
158ecb03
hex682ae8

6826728 has 16 divisors (see below), whose sum is σ = 17066880. Its totient is φ = 2275568.

The previous prime is 6826709. The next prime is 6826739. The reversal of 6826728 is 8276286.

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, 142200 + ... + 142247.

It is an arithmetic number, because the mean of its divisors is an integer number (1066680).

Almost surely, 26826728 is an apocalyptic number.

It is an amenable number.

6826728 is an abundant number, since it is smaller than the sum of its proper divisors (10240152).

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

6826728 is a wasteful number, since it uses less digits than its factorization.

6826728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284456 (or 284452 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 6826728 is about 2612.8007960807. The cubic root of 6826728 is about 189.7015443527.

It can be divided in two parts, 68 and 26728, that added together give a triangular number (26796 = T231).

The spelling of 6826728 in words is "six million, eight hundred twenty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 284447 568894 853341 1137788 1706682 2275576 3413364 6826728