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315423 = 32101347
BaseRepresentation
bin1001101000000011111
3121000200100
41031000133
540043143
610432143
72452413
oct1150037
9530610
10315423
111a5a89
12132653
13b0754
1482d43
15636d3
hex4d01f

315423 has 12 divisors (see below), whose sum is σ = 461448. Its totient is φ = 207600.

The previous prime is 315421. The next prime is 315437. The reversal of 315423 is 324513.

It is not a de Polignac number, because 315423 - 21 = 315421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315396 and 315405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (38454).

2315423 is an apocalyptic number.

315423 is a deficient number, since it is larger than the sum of its proper divisors (146025).

315423 is a wasteful number, since it uses less digits than its factorization.

315423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 451 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 315423 is about 561.6253199420. The cubic root of 315423 is about 68.0713639492.

Adding to 315423 its reverse (324513), we get a palindrome (639936).

The spelling of 315423 in words is "three hundred fifteen thousand, four hundred twenty-three".

Divisors: 1 3 9 101 303 347 909 1041 3123 35047 105141 315423