Search a number
-
+
2745046 = 21817583
BaseRepresentation
bin1010011110001011010110
312011110111101
422132023112
51200320141
6134500314
732222023
oct12361326
95143441
102745046
111605437
12b0469a
137515b5
1451654a
15393531
hex29e2d6

2745046 has 8 divisors (see below), whose sum is σ = 4140864. Its totient is φ = 1364760.

The previous prime is 2745031. The next prime is 2745047. The reversal of 2745046 is 6405472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 73 + 47 + 53 + 0 + 410 + 68 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3430 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (517608).

22745046 is an apocalyptic number.

2745046 is a deficient number, since it is larger than the sum of its proper divisors (1395818).

2745046 is a wasteful number, since it uses less digits than its factorization.

2745046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2745046 is about 1656.8180346677. The cubic root of 2745046 is about 140.0177868557.

The spelling of 2745046 in words is "two million, seven hundred forty-five thousand, forty-six".

Divisors: 1 2 181 362 7583 15166 1372523 2745046