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10649317 = 72217333
BaseRepresentation
bin101000100111…
…111011100101
3202001001010011
4220213323211
510211234232
61020130221
7156342400
oct50477345
922031104
1010649317
116013a98
123696971
13228b293
1415b2d37
15e05547
hexa27ee5

10649317 has 6 divisors (see below), whose sum is σ = 12388038. Its totient is φ = 9127944.

The previous prime is 10649311. The next prime is 10649321. The reversal of 10649317 is 71394601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 370881 = 3206^2 + 609^2 .

It is not a de Polignac number, because 10649317 - 27 = 10649189 is a prime.

It is a super-2 number, since 2×106493172 = 226815905132978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108618 + ... + 108715.

It is an arithmetic number, because the mean of its divisors is an integer number (2064673).

Almost surely, 210649317 is an apocalyptic number.

It is an amenable number.

10649317 is a deficient number, since it is larger than the sum of its proper divisors (1738721).

10649317 is an equidigital number, since it uses as much as digits as its factorization.

10649317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217347 (or 217340 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10649317 is about 3263.3291283596. The cubic root of 10649317 is about 220.0090698740.

It can be divided in two parts, 10649 and 317, that multiplied together give a palindrome (3375733).

The spelling of 10649317 in words is "ten million, six hundred forty-nine thousand, three hundred seventeen".

Divisors: 1 7 49 217333 1521331 10649317