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676656 = 243237127
BaseRepresentation
bin10100101001100110000
31021101012100
42211030300
5133123111
622300400
75515521
oct2451460
91241170
10676656
11422422
12287700
131a8cb6
14138848
15d5756
hexa5330

676656 has 60 divisors (see below), whose sum is σ = 1960192. Its totient is φ = 217728.

The previous prime is 676649. The next prime is 676661. The reversal of 676656 is 656676.

676656 = T33 + T34 + ... + T159.

It is a super-3 number, since 3×6766563 = 929447933315125248, which contains 333 as substring.

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

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 676656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5265 + ... + 5391.

2676656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980096).

676656 is an abundant number, since it is smaller than the sum of its proper divisors (1283536).

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

676656 is a wasteful number, since it uses less digits than its factorization.

676656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 676656 is about 822.5910283975. The cubic root of 676656 is about 87.7922094640.

The spelling of 676656 in words is "six hundred seventy-six thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 127 144 148 222 254 296 333 381 444 508 592 666 762 888 1016 1143 1332 1524 1776 2032 2286 2664 3048 4572 4699 5328 6096 9144 9398 14097 18288 18796 28194 37592 42291 56388 75184 84582 112776 169164 225552 338328 676656