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2853872 = 24783307
BaseRepresentation
bin1010111000101111110000
312100222202222
422320233300
51212310442
6141100212
733154220
oct12705760
95328688
102853872
11167a17a
12b57668
1378bca8
14544080
153b58d2
hex2b8bf0

2853872 has 40 divisors (see below), whose sum is σ = 6416256. Its totient is φ = 1204416.

The previous prime is 2853871. The next prime is 2853881. The reversal of 2853872 is 2783582.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2853871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9143 + ... + 9449.

22853872 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 2853872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208128).

2853872 is an abundant number, since it is smaller than the sum of its proper divisors (3562384).

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

2853872 is a wasteful number, since it uses less digits than its factorization.

2853872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 2853872 is about 1689.3406997998. The cubic root of 2853872 is about 141.8441721139.

The spelling of 2853872 in words is "two million, eight hundred fifty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 83 112 166 307 332 581 614 664 1162 1228 1328 2149 2324 2456 4298 4648 4912 8596 9296 17192 25481 34384 50962 101924 178367 203848 356734 407696 713468 1426936 2853872