Search a number
-
+
995457 = 3331819
BaseRepresentation
bin11110011000010000001
31212120111210
43303002001
5223323312
633200333
711314131
oct3630201
91776453
10995457
1161a9a1
124000a9
1328b138
141bcac1
15149e3c
hexf3081

995457 has 4 divisors (see below), whose sum is σ = 1327280. Its totient is φ = 663636.

The previous prime is 995447. The next prime is 995461. The reversal of 995457 is 754599.

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, and also an emirpimes, since its reverse is a distinct semiprime: 754599 = 3251533.

It is not a de Polignac number, because 995457 - 27 = 995329 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995447) 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, 165907 + ... + 165912.

It is an arithmetic number, because the mean of its divisors is an integer number (331820).

2995457 is an apocalyptic number.

It is an amenable number.

995457 is a deficient number, since it is larger than the sum of its proper divisors (331823).

995457 is a wasteful number, since it uses less digits than its factorization.

995457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331822.

The product of its digits is 56700, while the sum is 39.

The square root of 995457 is about 997.7259142670. The cubic root of 995457 is about 99.8483367656.

It can be divided in two parts, 9954 and 57, that added together give a triangular number (10011 = T141).

The spelling of 995457 in words is "nine hundred ninety-five thousand, four hundred fifty-seven".

Divisors: 1 3 331819 995457