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2772048 = 24357751
BaseRepresentation
bin1010100100110001010000
312012211112110
422210301100
51202201143
6135225320
732363526
oct12446120
95184473
102772048
111623754
12b18240
13760986
14522316
1539b533
hex2a4c50

2772048 has 20 divisors (see below), whose sum is σ = 7161248. Its totient is φ = 924000.

The previous prime is 2772047. The next prime is 2772061. The reversal of 2772048 is 8402772.

It is a super-3 number, since 3×27720483 = 63903330482568523776, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28828 + ... + 28923.

22772048 is an apocalyptic number.

It is an amenable number.

2772048 is an abundant number, since it is smaller than the sum of its proper divisors (4389200).

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

2772048 is a wasteful number, since it uses less digits than its factorization.

2772048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57762 (or 57756 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 2772048 is about 1664.9468459984. The cubic root of 2772048 is about 140.4753907160.

The spelling of 2772048 in words is "two million, seven hundred seventy-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 57751 115502 173253 231004 346506 462008 693012 924016 1386024 2772048