Search a number
-
+
495901 = 770843
BaseRepresentation
bin1111001000100011101
3221012020201
41321010131
5111332101
614343501
74133530
oct1710435
9835221
10495901
1130963a
121bab91
13144943
14cca17
159be01
hex7911d

495901 has 4 divisors (see below), whose sum is σ = 566752. Its totient is φ = 425052.

The previous prime is 495899. The next prime is 495923. The reversal of 495901 is 109594.

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 495901 - 21 = 495899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495931) 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, 35415 + ... + 35428.

It is an arithmetic number, because the mean of its divisors is an integer number (141688).

2495901 is an apocalyptic number.

It is an amenable number.

495901 is a deficient number, since it is larger than the sum of its proper divisors (70851).

495901 is an equidigital number, since it uses as much as digits as its factorization.

495901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70850.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 495901 is about 704.2023856818. The cubic root of 495901 is about 79.1525652939.

The spelling of 495901 in words is "four hundred ninety-five thousand, nine hundred one".

Divisors: 1 7 70843 495901