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2742998 = 21371499
BaseRepresentation
bin1010011101101011010110
312011100200112
422131223112
51200233443
6134443022
732213036
oct12355326
95140615
102742998
111603945
12b03472
1375069b
145158c6
15392b18
hex29dad6

2742998 has 4 divisors (see below), whose sum is σ = 4114500. Its totient is φ = 1371498.

The previous prime is 2742991. The next prime is 2743007. The reversal of 2742998 is 8992472.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742991) 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 as a sum of consecutive naturals, namely, 685748 + ... + 685751.

It is an arithmetic number, because the mean of its divisors is an integer number (1028625).

22742998 is an apocalyptic number.

2742998 is a deficient number, since it is larger than the sum of its proper divisors (1371502).

2742998 is a wasteful number, since it uses less digits than its factorization.

2742998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371501.

The product of its digits is 72576, while the sum is 41.

The square root of 2742998 is about 1656.1998671658. The cubic root of 2742998 is about 139.9829571090.

The spelling of 2742998 in words is "two million, seven hundred forty-two thousand, nine hundred ninety-eight".

Divisors: 1 2 1371499 2742998