Search a number
-
+
2061487 = 5693623
BaseRepresentation
bin111110111010010101111
310212201211101
413313102233
51011431422
6112103531
723344111
oct7672257
93781741
102061487
11118890a
12834ba7
1357241c
143b93b1
152aac27
hex1f74af

2061487 has 4 divisors (see below), whose sum is σ = 2065680. Its totient is φ = 2057296.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061487 is 7841602.

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

It is a cyclic number.

It is not a de Polignac number, because 2061487 - 219 = 1537199 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 (2061427) 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, 1243 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (516420).

22061487 is an apocalyptic number.

2061487 is a deficient number, since it is larger than the sum of its proper divisors (4193).

2061487 is an equidigital number, since it uses as much as digits as its factorization.

2061487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2061487 is about 1435.7879369879. The cubic root of 2061487 is about 127.2702410924.

The spelling of 2061487 in words is "two million, sixty-one thousand, four hundred eighty-seven".

Divisors: 1 569 3623 2061487