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2742812 = 224631481
BaseRepresentation
bin1010011101101000011100
312011100102122
422131220130
51200232222
6134442112
732212352
oct12355034
95140378
102742812
111603796
12b03338
13750587
145157d2
15392a42
hex29da1c

2742812 has 12 divisors (see below), whose sum is σ = 4813536. Its totient is φ = 1367520.

The previous prime is 2742811. The next prime is 2742853. The reversal of 2742812 is 2182472.

2742812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (401128).

22742812 is an apocalyptic number.

It is an amenable number.

2742812 is a deficient number, since it is larger than the sum of its proper divisors (2070724).

2742812 is a wasteful number, since it uses less digits than its factorization.

2742812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 2742812 is about 1656.1437135708. The cubic root of 2742812 is about 139.9797930019.

The spelling of 2742812 in words is "two million, seven hundred forty-two thousand, eight hundred twelve".

Divisors: 1 2 4 463 926 1481 1852 2962 5924 685703 1371406 2742812