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313447105 = 51723672393
BaseRepresentation
bin10010101011101…
…101001011000001
3210211210202121001
4102223231023001
51120220301410
651034132001
710524153646
oct2253551301
9724722531
10313447105
11150a294a4
1288b81001
134cc2867a
142d8b3dcd
151c7b833a
hex12aed2c1

313447105 has 32 divisors (see below), whose sum is σ = 421956864. Its totient is φ = 222283776.

The previous prime is 313447103. The next prime is 313447111. The reversal of 313447105 is 501744313.

It is not a de Polignac number, because 313447105 - 21 = 313447103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313447103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129789 + ... + 132181.

It is an arithmetic number, because the mean of its divisors is an integer number (13186152).

Almost surely, 2313447105 is an apocalyptic number.

It is an amenable number.

313447105 is a deficient number, since it is larger than the sum of its proper divisors (108509759).

313447105 is a wasteful number, since it uses less digits than its factorization.

313447105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 313447105 is about 17704.4374381114. The cubic root of 313447105 is about 679.2892696643.

The spelling of 313447105 in words is "three hundred thirteen million, four hundred forty-seven thousand, one hundred five".

Divisors: 1 5 17 23 67 85 115 335 391 1139 1541 1955 2393 5695 7705 11965 26197 40681 55039 130985 160331 203405 275195 801655 935663 2725627 3687613 4678315 13628135 18438065 62689421 313447105