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875380 = 2251123173
BaseRepresentation
bin11010101101101110100
31122110210111
43111231310
5211003010
630432404
710304062
oct3255564
91573714
10875380
11548760
12362704
1324859c
1418b032
1512458a
hexd5b74

875380 has 48 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 302720.

The previous prime is 875377. The next prime is 875389. The reversal of 875380 is 83578.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875389) 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, 4974 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2875380 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 875380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052352).

875380 is an abundant number, since it is smaller than the sum of its proper divisors (1229324).

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

875380 is a wasteful number, since it uses less digits than its factorization.

875380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 875380 is about 935.6174431893. The cubic root of 875380 is about 95.6604031128.

The spelling of 875380 in words is "eight hundred seventy-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 173 220 230 253 346 460 506 692 865 1012 1265 1730 1903 2530 3460 3806 3979 5060 7612 7958 9515 15916 19030 19895 38060 39790 43769 79580 87538 175076 218845 437690 875380