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313225473 = 3119491681
BaseRepresentation
bin10010101010110…
…111000100000001
3210211101111120110
4102222313010001
51120141203343
651025301533
710522241541
oct2252670401
9724344513
10313225473
11150897a30
1288a948a9
134cb7b822
142d857321
151c772833
hex12ab7101

313225473 has 8 divisors (see below), whose sum is σ = 455600736. Its totient is φ = 189833600.

The previous prime is 313225453. The next prime is 313225489. The reversal of 313225473 is 374522313.

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

It is not a de Polignac number, because 313225473 - 210 = 313224449 is a prime.

It is a super-2 number, since 2×3132254732 = 196220393872147458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313225473.

It is not an unprimeable number, because it can be changed into a prime (313225453) 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, 4745808 + ... + 4745873.

It is an arithmetic number, because the mean of its divisors is an integer number (56950092).

Almost surely, 2313225473 is an apocalyptic number.

313225473 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

313225473 is a deficient number, since it is larger than the sum of its proper divisors (142375263).

313225473 is a wasteful number, since it uses less digits than its factorization.

313225473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491695.

The product of its digits is 15120, while the sum is 30.

The square root of 313225473 is about 17698.1771095218. The cubic root of 313225473 is about 679.1291280911.

Adding to 313225473 its reverse (374522313), we get a palindrome (687747786).

The spelling of 313225473 in words is "three hundred thirteen million, two hundred twenty-five thousand, four hundred seventy-three".

Divisors: 1 3 11 33 9491681 28475043 104408491 313225473