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313049 = 11149191
BaseRepresentation
bin1001100011011011001
3120220102102
41030123121
540004144
610413145
72442452
oct1143331
9526372
10313049
111a4220
121311b5
13ac649
1482129
1562b4e
hex4c6d9

313049 has 8 divisors (see below), whose sum is σ = 345600. Its totient is φ = 281200.

The previous prime is 313037. The next prime is 313081. The reversal of 313049 is 940313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313049 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 313049.

It is not an unprimeable number, because it can be changed into a prime (313009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2313049 is an apocalyptic number.

It is an amenable number.

313049 is a deficient number, since it is larger than the sum of its proper divisors (32551).

313049 is a wasteful number, since it uses less digits than its factorization.

313049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 313049 is about 559.5078194270. The cubic root of 313049 is about 67.9001562403.

Subtracting 313049 from its reverse (940313), we obtain a square (627264 = 7922).

It can be divided in two parts, 31304 and 9, that added together give a palindrome (31313).

The spelling of 313049 in words is "three hundred thirteen thousand, forty-nine".

Divisors: 1 11 149 191 1639 2101 28459 313049