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2538872 = 23745337
BaseRepresentation
bin1001101011110101111000
311202222200022
421223311320
51122220442
6130230012
730402650
oct11536570
94688608
102538872
111484546
12a25308
136ab7bb
144a1360
153523d2
hex26bd78

2538872 has 16 divisors (see below), whose sum is σ = 5440560. Its totient is φ = 1088064.

The previous prime is 2538871. The next prime is 2538883. The reversal of 2538872 is 2788352.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22613 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (340035).

22538872 is an apocalyptic number.

It is an amenable number.

2538872 is an abundant number, since it is smaller than the sum of its proper divisors (2901688).

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

2538872 is a wasteful number, since it uses less digits than its factorization.

2538872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45350 (or 45346 counting only the distinct ones).

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

The square root of 2538872 is about 1593.3838206785. The cubic root of 2538872 is about 136.4206984352.

The spelling of 2538872 in words is "two million, five hundred thirty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 45337 90674 181348 317359 362696 634718 1269436 2538872