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2385380 = 225412909
BaseRepresentation
bin1001000110010111100100
311111012010102
421012113210
51102313010
6123043232
726163314
oct11062744
94435112
102385380
11138a198
12970518
1365698a
14461444
15321ba5
hex2465e4

2385380 has 24 divisors (see below), whose sum is σ = 5133240. Its totient is φ = 930560.

The previous prime is 2385349. The next prime is 2385433. The reversal of 2385380 is 835832.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 2244004 = 376^2 + 1498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (213885).

22385380 is an apocalyptic number.

2385380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2385380 is an abundant number, since it is smaller than the sum of its proper divisors (2747860).

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

2385380 is a wasteful number, since it uses less digits than its factorization.

2385380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2385380 is about 1544.4675457905. The cubic root of 2385380 is about 133.6141719461.

The spelling of 2385380 in words is "two million, three hundred eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2909 5818 11636 14545 29090 58180 119269 238538 477076 596345 1192690 2385380