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2742844 = 221352747
BaseRepresentation
bin1010011101101000111100
312011100110211
422131220330
51200232334
6134442204
732212426
oct12355074
95140424
102742844
111603815
12b03364
137505b0
14515816
15392a64
hex29da3c

2742844 has 12 divisors (see below), whose sum is σ = 5169304. Its totient is φ = 1265904.

The previous prime is 2742811. The next prime is 2742853. The reversal of 2742844 is 4482472.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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, 26322 + ... + 26425.

22742844 is an apocalyptic number.

It is an amenable number.

2742844 is a deficient number, since it is larger than the sum of its proper divisors (2426460).

2742844 is a wasteful number, since it uses less digits than its factorization.

2742844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52764 (or 52762 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 2742844 is about 1656.1533745399. The cubic root of 2742844 is about 139.9803373746.

It can be divided in two parts, 27428 and 44, that added together give a palindrome (27472).

The spelling of 2742844 in words is "two million, seven hundred forty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 13 26 52 52747 105494 210988 685711 1371422 2742844