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312484 = 2278121
BaseRepresentation
bin1001100010010100100
3120212122111
41030102210
534444414
610410404
72441014
oct1142244
9525574
10312484
111a3857
12130a04
13ac303
1481c44
15628c4
hex4c4a4

312484 has 6 divisors (see below), whose sum is σ = 546854. Its totient is φ = 156240.

The previous prime is 312469. The next prime is 312509. The reversal of 312484 is 484213.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 40000 = 522^2 + 200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39057 + ... + 39064.

312484 is a Friedman number, since it can be written as 4*((3+2)^(8-1)-4), using all its digits and the basic arithmetic operations.

2312484 is an apocalyptic number.

It is an amenable number.

312484 is a deficient number, since it is larger than the sum of its proper divisors (234370).

312484 is a wasteful number, since it uses less digits than its factorization.

312484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78125 (or 78123 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 312484 is about 559.0026833567. The cubic root of 312484 is about 67.8592822436.

Adding to 312484 its reverse (484213), we get a palindrome (796697).

The spelling of 312484 in words is "three hundred twelve thousand, four hundred eighty-four".

Divisors: 1 2 4 78121 156242 312484