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676620 = 223357179
BaseRepresentation
bin10100101001100001100
31021101011000
42211030030
5133122440
622300300
75515440
oct2451414
91241130
10676620
1142239a
12287690
131a8c89
14138820
15d5730
hexa530c

676620 has 96 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 153792.

The previous prime is 676601. The next prime is 676649. The reversal of 676620 is 26676.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676620.

It is an unprimeable number.

676620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3691 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2676620 is an apocalyptic number.

676620 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 676620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

676620 is an abundant number, since it is smaller than the sum of its proper divisors (1742580).

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

676620 is a wasteful number, since it uses less digits than its factorization.

676620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 676620 is about 822.5691460297. The cubic root of 676620 is about 87.7906525057.

It can be divided in two parts, 6766 and 20, that added together give a triangular number (6786 = T116).

The spelling of 676620 in words is "six hundred seventy-six thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 179 180 189 210 252 270 315 358 378 420 537 540 630 716 756 895 945 1074 1253 1260 1611 1790 1890 2148 2506 2685 3222 3580 3759 3780 4833 5012 5370 6265 6444 7518 8055 9666 10740 11277 12530 15036 16110 18795 19332 22554 24165 25060 32220 33831 37590 45108 48330 56385 67662 75180 96660 112770 135324 169155 225540 338310 676620