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315275 = 5212611
BaseRepresentation
bin1001100111110001011
3121000110212
41030332023
540042100
610431335
72452112
oct1147613
9530425
10315275
111a5964
1213254b
13b066c
1482c79
1563635
hex4cf8b

315275 has 6 divisors (see below), whose sum is σ = 390972. Its totient is φ = 252200.

The previous prime is 315269. The next prime is 315281. The reversal of 315275 is 572513.

It is an interprime number because it is at equal distance from previous prime (315269) and next prime (315281).

It is a de Polignac number, because none of the positive numbers 2k-315275 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 315275.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6281 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (65162).

2315275 is an apocalyptic number.

315275 is a deficient number, since it is larger than the sum of its proper divisors (75697).

315275 is a wasteful number, since it uses less digits than its factorization.

315275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621 (or 12616 counting only the distinct ones).

The product of its digits is 1050, while the sum is 23.

The square root of 315275 is about 561.4935440412. The cubic root of 315275 is about 68.0607156684.

Adding to 315275 its reverse (572513), we get a palindrome (887788).

The spelling of 315275 in words is "three hundred fifteen thousand, two hundred seventy-five".

Divisors: 1 5 25 12611 63055 315275