Search a number
-
+
474649 = 767807
BaseRepresentation
bin1110011111000011001
3220010002121
41303320121
5110142044
614101241
74014550
oct1637031
9803077
10474649
112a467a
121aa821
13138076
14c4d97
1595984
hex73e19

474649 has 4 divisors (see below), whose sum is σ = 542464. Its totient is φ = 406836.

The previous prime is 474647. The next prime is 474659. The reversal of 474649 is 946474.

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 474649 - 21 = 474647 is a prime.

It is a Duffinian number.

474649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (474647) 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, 33897 + ... + 33910.

It is an arithmetic number, because the mean of its divisors is an integer number (135616).

2474649 is an apocalyptic number.

It is an amenable number.

474649 is a deficient number, since it is larger than the sum of its proper divisors (67815).

474649 is an equidigital number, since it uses as much as digits as its factorization.

474649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67814.

The product of its digits is 24192, while the sum is 34.

The square root of 474649 is about 688.9477483815. The cubic root of 474649 is about 78.0053141240.

The spelling of 474649 in words is "four hundred seventy-four thousand, six hundred forty-nine".

Divisors: 1 7 67807 474649