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315053 = 3110163
BaseRepresentation
bin1001100111010101101
3121000011122
41030322231
540040203
610430325
72451344
oct1147255
9530148
10315053
111a5782
121323a5
13b052b
1482b5b
1563538
hex4cead

315053 has 4 divisors (see below), whose sum is σ = 325248. Its totient is φ = 304860.

The previous prime is 315047. The next prime is 315059. The reversal of 315053 is 350513.

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: 350513 = 409857.

It is an interprime number because it is at equal distance from previous prime (315047) and next prime (315059).

It is a cyclic number.

It is not a de Polignac number, because 315053 - 24 = 315037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315059) 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, 5051 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (81312).

2315053 is an apocalyptic number.

It is an amenable number.

315053 is a deficient number, since it is larger than the sum of its proper divisors (10195).

315053 is a wasteful number, since it uses less digits than its factorization.

315053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 315053 is about 561.2958221829. The cubic root of 315053 is about 68.0447369972.

Adding to 315053 its reverse (350513), we get a palindrome (665566).

The spelling of 315053 in words is "three hundred fifteen thousand, fifty-three".

Divisors: 1 31 10163 315053