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675820 = 22533791
BaseRepresentation
bin10100100111111101100
31021100001101
42210333230
5133111240
622252444
75513215
oct2447754
91240041
10675820
11421832
12287124
131a87c2
1413840c
15d539a
hexa4fec

675820 has 12 divisors (see below), whose sum is σ = 1419264. Its totient is φ = 270320.

The previous prime is 675817. The next prime is 675823. The reversal of 675820 is 28576.

It is an interprime number because it is at equal distance from previous prime (675817) and next prime (675823).

It is not an unprimeable number, because it can be changed into a prime (675823) 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, 16876 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (118272).

2675820 is an apocalyptic number.

It is an amenable number.

675820 is an abundant number, since it is smaller than the sum of its proper divisors (743444).

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

675820 is a wasteful number, since it uses less digits than its factorization.

675820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800 (or 33798 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 675820 is about 822.0827208986. The cubic root of 675820 is about 87.7560391728.

The spelling of 675820 in words is "six hundred seventy-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 33791 67582 135164 168955 337910 675820