Search a number
-
+
3054487 = 6474721
BaseRepresentation
bin1011101001101110010111
312202011222011
423221232113
51240220422
6145245051
734651132
oct13515627
95664864
103054487
1117a6977
121033787
1382c3b7
14597219
15405077
hex2e9b97

3054487 has 4 divisors (see below), whose sum is σ = 3059856. Its totient is φ = 3049120.

The previous prime is 3054449. The next prime is 3054517. The reversal of 3054487 is 7844503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7844503 = 25131253.

It is a cyclic number.

It is not a de Polignac number, because 3054487 - 215 = 3021719 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 37 + 0 + 59 + 45 + 410 + 85 + 75 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3054437) 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, 1714 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (764964).

Almost surely, 23054487 is an apocalyptic number.

3054487 is a deficient number, since it is larger than the sum of its proper divisors (5369).

3054487 is an equidigital number, since it uses as much as digits as its factorization.

3054487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3054487 is about 1747.7090718996. The cubic root of 3054487 is about 145.0928774759.

The spelling of 3054487 in words is "three million, fifty-four thousand, four hundred eighty-seven".

Divisors: 1 647 4721 3054487