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675620 = 225113783
BaseRepresentation
bin10100100111100100100
31021022202222
42210330210
5133104440
622251512
75512511
oct2447444
91238688
10675620
11421670
12286b98
131a869a
14138308
15d52b5
hexa4f24

675620 has 48 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 236160.

The previous prime is 675617. The next prime is 675629. The reversal of 675620 is 26576.

It is a self number, because there is not a number n which added to its sum of digits gives 675620.

It is not an unprimeable number, because it can be changed into a prime (675629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8099 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2675620 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 675620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384).

675620 is an abundant number, since it is smaller than the sum of its proper divisors (933148).

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

675620 is a wasteful number, since it uses less digits than its factorization.

675620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 675620 is about 821.9610696377. The cubic root of 675620 is about 87.7473815719.

It can be divided in two parts, 6756 and 20, that added together give a palindrome (6776).

The spelling of 675620 in words is "six hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 55 74 83 110 148 166 185 220 332 370 407 415 740 814 830 913 1628 1660 1826 2035 3071 3652 4070 4565 6142 8140 9130 12284 15355 18260 30710 33781 61420 67562 135124 168905 337810 675620