Search a number
-
+
312929707 is a prime number
BaseRepresentation
bin10010101001101…
…110110110101011
3210210211110212011
4102221232312223
51120102222312
651015100351
710516600336
oct2251566653
9723743764
10312929707
111507057a2
12889716b7
134caa700c
142d7bb61d
151c714da7
hex12a6edab

312929707 has 2 divisors, whose sum is σ = 312929708. Its totient is φ = 312929706.

The previous prime is 312929681. The next prime is 312929801. The reversal of 312929707 is 707929213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312929707 - 223 = 304541099 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312929707.

It is not a weakly prime, because it can be changed into another prime (312989707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156464853 + 156464854.

It is an arithmetic number, because the mean of its divisors is an integer number (156464854).

Almost surely, 2312929707 is an apocalyptic number.

312929707 is a deficient number, since it is larger than the sum of its proper divisors (1).

312929707 is an equidigital number, since it uses as much as digits as its factorization.

312929707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 312929707 is about 17689.8193037690. The cubic root of 312929707 is about 678.9153028241.

The spelling of 312929707 in words is "three hundred twelve million, nine hundred twenty-nine thousand, seven hundred seven".