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2942738 = 212132
BaseRepresentation
bin1011001110011100010010
312112111200022
423032130102
51223131423
6143023442
734004261
oct13163422
95474608
102942738
11172aa17
12b9ab82
137c0586
145685d8
153d1dc8
hex2ce712

2942738 has 6 divisors (see below), whose sum is σ = 4417749. Its totient is φ = 1470156.

The previous prime is 2942729. The next prime is 2942741. The reversal of 2942738 is 8372492.

2942738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 889249 = 1433^2 + 943^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1213.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2942698 and 2942707.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 1820 + ... + 3032.

22942738 is an apocalyptic number.

2942738 is a deficient number, since it is larger than the sum of its proper divisors (1475011).

2942738 is an frugal number, since it uses more digits than its factorization.

2942738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 1215 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2942738 is about 1715.4410511586. The cubic root of 2942738 is about 143.3014327180.

The spelling of 2942738 in words is "two million, nine hundred forty-two thousand, seven hundred thirty-eight".

Divisors: 1 2 1213 2426 1471369 2942738