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2872192 = 27191181
BaseRepresentation
bin1010111101001110000000
312101220220111
422331032000
51213402232
6141321104
733261511
oct12751600
95356814
102872192
111691a14
12b66194
1379742b
1454aa08
153bb047
hex2bd380

2872192 has 32 divisors (see below), whose sum is σ = 6028200. Its totient is φ = 1359360.

The previous prime is 2872187. The next prime is 2872237. The reversal of 2872192 is 2912782.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842 + ... + 3022.

22872192 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 2872192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014100).

2872192 is an abundant number, since it is smaller than the sum of its proper divisors (3156008).

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

2872192 is a wasteful number, since it uses less digits than its factorization.

2872192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1202 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2872192 is about 1694.7542594724. The cubic root of 2872192 is about 142.1470407044.

The spelling of 2872192 in words is "two million, eight hundred seventy-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1181 1216 2362 2432 4724 9448 18896 22439 37792 44878 75584 89756 151168 179512 359024 718048 1436096 2872192