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313505214 = 231138912211
BaseRepresentation
bin10010101011111…
…011010110111110
3210211220201022020
4102223323112332
51120224131324
651035301010
710524515241
oct2253732676
9724821266
10313505214
11150a69120
1288baa766
134cc48c59
142d8cb258
151c7ca679
hex12afb5be

313505214 has 32 divisors (see below), whose sum is σ = 685825920. Its totient is φ = 94749600.

The previous prime is 313505191. The next prime is 313505221. The reversal of 313505214 is 412505313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19569 + ... + 31779.

It is an arithmetic number, because the mean of its divisors is an integer number (21432060).

Almost surely, 2313505214 is an apocalyptic number.

313505214 is an abundant number, since it is smaller than the sum of its proper divisors (372320706).

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

313505214 is a wasteful number, since it uses less digits than its factorization.

313505214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12616.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 313505214 is about 17706.0784478099. The cubic root of 313505214 is about 679.3312441905.

Subtracting 313505214 from its reverse (412505313), we obtain a palindrome (99000099).

The spelling of 313505214 in words is "three hundred thirteen million, five hundred five thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 389 778 1167 2334 4279 8558 12211 12837 24422 25674 36633 73266 134321 268642 402963 805926 4750079 9500158 14250237 28500474 52250869 104501738 156752607 313505214