Search a number
-
+
2745898 = 21638423
BaseRepresentation
bin1010011110011000101010
312011111122221
422132120222
51200332043
6134504254
732224351
oct12363052
95144587
102745898
111606041
12b0508a
13751abc
14516998
153938ed
hex29e62a

2745898 has 8 divisors (see below), whose sum is σ = 4144608. Its totient is φ = 1364364.

The previous prime is 2745863. The next prime is 2745907. The reversal of 2745898 is 8985472.

2745898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3886 + ... + 4537.

It is an arithmetic number, because the mean of its divisors is an integer number (518076).

22745898 is an apocalyptic number.

2745898 is a deficient number, since it is larger than the sum of its proper divisors (1398710).

2745898 is a wasteful number, since it uses less digits than its factorization.

2745898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588.

The product of its digits is 161280, while the sum is 43.

The square root of 2745898 is about 1657.0751340841. The cubic root of 2745898 is about 140.0322714721.

It can be divided in two parts, 27458 and 98, that added together give a square (27556 = 1662).

The spelling of 2745898 in words is "two million, seven hundred forty-five thousand, eight hundred ninety-eight".

Divisors: 1 2 163 326 8423 16846 1372949 2745898