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313205898 = 2352200983
BaseRepresentation
bin10010101010110…
…010010010001010
3210211100111201110
4102222302102022
51120140042043
651025031150
710522130505
oct2252622212
9724314643
10313205898
11150884255
1288a854b6
134cb72945
142d85013c
151c76bb33
hex12ab248a

313205898 has 8 divisors (see below), whose sum is σ = 626411808. Its totient is φ = 104401964.

The previous prime is 313205891. The next prime is 313205917. The reversal of 313205898 is 898502313.

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

313205898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (313205891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26100486 + ... + 26100497.

It is an arithmetic number, because the mean of its divisors is an integer number (78301476).

Almost surely, 2313205898 is an apocalyptic number.

313205898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313205898 is a wasteful number, since it uses less digits than its factorization.

313205898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52200988.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 313205898 is about 17697.6240778247. The cubic root of 313205898 is about 679.1149804235.

The spelling of 313205898 in words is "three hundred thirteen million, two hundred five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 52200983 104401966 156602949 313205898