Search a number
-
+
2542061 = 17149533
BaseRepresentation
bin1001101100100111101101
311210011001102
421230213231
51122321221
6130252445
730415154
oct11544755
94704042
102542061
111486985
12a27125
136b00a2
144a259b
1535330b
hex26c9ed

2542061 has 4 divisors (see below), whose sum is σ = 2691612. Its totient is φ = 2392512.

The previous prime is 2542051. The next prime is 2542087. The reversal of 2542061 is 1602452.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 609961 = 1390^2 + 781^2 .

It is not a de Polignac number, because 2542061 - 26 = 2541997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542021) 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 in 3 ways as a sum of consecutive naturals, for example, 74750 + ... + 74783.

It is an arithmetic number, because the mean of its divisors is an integer number (672903).

22542061 is an apocalyptic number.

It is an amenable number.

2542061 is a deficient number, since it is larger than the sum of its proper divisors (149551).

2542061 is a wasteful number, since it uses less digits than its factorization.

2542061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149550.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2542061 is about 1594.3842071471. The cubic root of 2542061 is about 136.4777925024.

The spelling of 2542061 in words is "two million, five hundred forty-two thousand, sixty-one".

Divisors: 1 17 149533 2542061