Search a number
-
+
4904581 = 11445871
BaseRepresentation
bin10010101101011010000101
3100020011211011
4102231122011
52223421311
6253042221
756455033
oct22553205
910204734
104904581
11284a980
121786371
131029526
14919553
1566d321
hex4ad685

4904581 has 4 divisors (see below), whose sum is σ = 5350464. Its totient is φ = 4458700.

The previous prime is 4904573. The next prime is 4904587. The reversal of 4904581 is 1854094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4904581 - 23 = 4904573 is a prime.

It is a super-2 number, since 2×49045812 = 48109829571122, which contains 22 as substring.

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 Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4904587) by changing a digit.

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, 222925 + ... + 222946.

It is an arithmetic number, because the mean of its divisors is an integer number (1337616).

Almost surely, 24904581 is an apocalyptic number.

It is an amenable number.

4904581 is a deficient number, since it is larger than the sum of its proper divisors (445883).

4904581 is a wasteful number, since it uses less digits than its factorization.

4904581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445882.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4904581 is about 2214.6288628120. The cubic root of 4904581 is about 169.9028395206.

The spelling of 4904581 in words is "four million, nine hundred four thousand, five hundred eighty-one".

Divisors: 1 11 445871 4904581