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313451225 = 5247266767
BaseRepresentation
bin10010101011101…
…110001011011001
3210211210222020122
4102223232023121
51120220414400
651034203025
710524201653
oct2253561331
9724728218
10313451225
11150a315aa
1288b83475
134cc2a4c9
142d8b56d3
151c7b9685
hex12aee2d9

313451225 has 12 divisors (see below), whose sum is σ = 396950784. Its totient is φ = 245424720.

The previous prime is 313451221. The next prime is 313451233. The reversal of 313451225 is 522154313.

It is a happy number.

It is not a de Polignac number, because 313451225 - 22 = 313451221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313451194 and 313451203.

It is not an unprimeable number, because it can be changed into a prime (313451221) 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, 132209 + ... + 134558.

It is an arithmetic number, because the mean of its divisors is an integer number (33079232).

Almost surely, 2313451225 is an apocalyptic number.

It is an amenable number.

313451225 is a deficient number, since it is larger than the sum of its proper divisors (83499559).

313451225 is a wasteful number, since it uses less digits than its factorization.

313451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266824 (or 266819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 313451225 is about 17704.5537927393. The cubic root of 313451225 is about 679.2922458810.

The spelling of 313451225 in words is "three hundred thirteen million, four hundred fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 47 235 1175 266767 1333835 6669175 12538049 62690245 313451225