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2754842 = 21377421
BaseRepresentation
bin1010100000100100011010
312011221221012
422200210122
51201123332
6135013522
732262416
oct12404432
95157835
102754842
111611832
12b0a2a2
13755bac
14519d46
153963b2
hex2a091a

2754842 has 4 divisors (see below), whose sum is σ = 4132266. Its totient is φ = 1377420.

The previous prime is 2754803. The next prime is 2754847. The reversal of 2754842 is 2484572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2343961 + 410881 = 1531^2 + 641^2 .

It is a d-powerful number, because it can be written as 218 + 76 + 56 + 43 + 82 + 49 + 221 .

It is a junction number, because it is equal to n+sod(n) for n = 2754799 and 2754808.

It is not an unprimeable number, because it can be changed into a prime (2754847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688709 + ... + 688712.

22754842 is an apocalyptic number.

2754842 is a deficient number, since it is larger than the sum of its proper divisors (1377424).

2754842 is a wasteful number, since it uses less digits than its factorization.

2754842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377423.

The product of its digits is 17920, while the sum is 32.

The square root of 2754842 is about 1659.7716710439. The cubic root of 2754842 is about 140.1841454379.

The spelling of 2754842 in words is "two million, seven hundred fifty-four thousand, eight hundred forty-two".

Divisors: 1 2 1377421 2754842