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315055 = 51337131
BaseRepresentation
bin1001100111010101111
3121000011201
41030322233
540040210
610430331
72451346
oct1147257
9530151
10315055
111a5784
121323a7
13b0530
1482b5d
156353a
hex4ceaf

315055 has 16 divisors (see below), whose sum is σ = 421344. Its totient is φ = 224640.

The previous prime is 315047. The next prime is 315059. The reversal of 315055 is 550513.

It is not a de Polignac number, because 315055 - 23 = 315047 is a prime.

It is a Duffinian number.

315055 is a lucky 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (26334).

2315055 is an apocalyptic number.

315055 is a deficient number, since it is larger than the sum of its proper divisors (106289).

315055 is a wasteful number, since it uses less digits than its factorization.

315055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 315055 is about 561.2976037718. The cubic root of 315055 is about 68.0448809827.

Adding to 315055 its reverse (550513), we get a palindrome (865568).

The spelling of 315055 in words is "three hundred fifteen thousand, fifty-five".

Divisors: 1 5 13 37 65 131 185 481 655 1703 2405 4847 8515 24235 63011 315055