Search a number
-
+
10706247 = 322351721
BaseRepresentation
bin101000110101…
…110101000111
3202010221012200
4220311311013
510220044442
61021245543
7160000356
oct50656507
922127180
1010706247
116052842
1237038b3
1322ab176
1415c999d
15e1734c
hexa35d47

10706247 has 12 divisors (see below), whose sum is σ = 16137264. Its totient is φ = 6827040.

The previous prime is 10706239. The next prime is 10706257. The reversal of 10706247 is 74260701.

It is not a de Polignac number, because 10706247 - 23 = 10706239 is a prime.

It is a super-2 number, since 2×107062472 = 229247449650018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10706247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10706257) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25654 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (1344772).

Almost surely, 210706247 is an apocalyptic number.

10706247 is a deficient number, since it is larger than the sum of its proper divisors (5431017).

10706247 is a wasteful number, since it uses less digits than its factorization.

10706247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51750 (or 51747 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 10706247 is about 3272.0401892397. The cubic root of 10706247 is about 220.4004208915.

Adding to 10706247 its reverse (74260701), we get a palindrome (84966948).

The spelling of 10706247 in words is "ten million, seven hundred six thousand, two hundred forty-seven".

Divisors: 1 3 9 23 69 207 51721 155163 465489 1189583 3568749 10706247