Search a number
-
+
712066216 = 2317892661
BaseRepresentation
bin101010011100010…
…100010010101000
31211121212201012211
4222130110102220
52424242104331
6154354014504
723434314541
oct5234242250
91747781184
10712066216
11335a40984
1217a577434
13b46a5574
146a7d94c8
15427a78b1
hex2a7144a8

712066216 has 48 divisors (see below), whose sum is σ = 1431886140. Its totient is φ = 330823680.

The previous prime is 712066207. The next prime is 712066217. The reversal of 712066216 is 612660217.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 336869316 + 375196900 = 18354^2 + 19370^2 .

It is not an unprimeable number, because it can be changed into a prime (712066217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076926 + ... + 1077586.

Almost surely, 2712066216 is an apocalyptic number.

It is an amenable number.

712066216 is an abundant number, since it is smaller than the sum of its proper divisors (719819924).

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

712066216 is a wasteful number, since it uses less digits than its factorization.

712066216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 712066216 is about 26684.5688741640. The cubic root of 712066216 is about 892.9766996784.

The spelling of 712066216 in words is "seven hundred twelve million, sixty-six thousand, two hundred sixteen".

Divisors: 1 2 4 8 17 34 68 89 136 178 356 661 712 1322 1513 2644 3026 5288 6052 7921 11237 12104 15842 22474 31684 44948 58829 63368 89896 117658 134657 235316 269314 470632 538628 1000093 1077256 2000186 4000372 5235781 8000744 10471562 20943124 41886248 89008277 178016554 356033108 712066216