Search a number
-
+
70627213 is a prime number
BaseRepresentation
bin1000011010110…
…10111110001101
311220220020022201
410031122332031
5121040032323
611001441501
71515215146
oct415327615
9156806281
1070627213
113695a2a8
121b7a0291
131182b167
149546acd
1563018ad
hex435af8d

70627213 has 2 divisors, whose sum is σ = 70627214. Its totient is φ = 70627212.

The previous prime is 70627211. The next prime is 70627223. The reversal of 70627213 is 31272607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40793769 + 29833444 = 6387^2 + 5462^2 .

It is a cyclic number.

It is not a de Polignac number, because 70627213 - 21 = 70627211 is a prime.

It is a super-2 number, since 2×706272132 = 9976406432294738, which contains 22 as substring.

Together with 70627211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70627211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35313606 + 35313607.

It is an arithmetic number, because the mean of its divisors is an integer number (35313607).

Almost surely, 270627213 is an apocalyptic number.

It is an amenable number.

70627213 is a deficient number, since it is larger than the sum of its proper divisors (1).

70627213 is an equidigital number, since it uses as much as digits as its factorization.

70627213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70627213 is about 8403.9998215136. Note that the first 3 decimals coincide. The cubic root of 70627213 is about 413.3557878164.

The spelling of 70627213 in words is "seventy million, six hundred twenty-seven thousand, two hundred thirteen".