Search a number
-
+
313667705 = 5137167967
BaseRepresentation
bin10010101100100…
…011000001111001
3210212012222012102
4102230203001321
51120244331310
651042553145
710526063051
oct2254430171
9725188172
10313667705
1115106a20a
12890687b5
134cca4bc0
142d930561
151c80d8a5
hex12b23079

313667705 has 16 divisors (see below), whose sum is σ = 411070464. Its totient is φ = 228365760.

The previous prime is 313667677. The next prime is 313667737. The reversal of 313667705 is 507766313.

It is not a de Polignac number, because 313667705 - 28 = 313667449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29369 + ... + 38598.

It is an arithmetic number, because the mean of its divisors is an integer number (25691904).

Almost surely, 2313667705 is an apocalyptic number.

It is an amenable number.

313667705 is a deficient number, since it is larger than the sum of its proper divisors (97402759).

313667705 is a wasteful number, since it uses less digits than its factorization.

313667705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68056.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 313667705 is about 17710.6664188562. Note that the first 3 decimals coincide. The cubic root of 313667705 is about 679.4485906149.

The spelling of 313667705 in words is "three hundred thirteen million, six hundred sixty-seven thousand, seven hundred five".

Divisors: 1 5 13 65 71 355 923 4615 67967 339835 883571 4417855 4825657 24128285 62733541 313667705