Search a number
-
+
10868649 = 3112941277
BaseRepresentation
bin101001011101…
…011110101001
3202110011222120
4221131132221
510240244044
61024541453
7161245011
oct51353651
922404876
1010868649
116153860
123781889
13233706c
14162cc41
15e4a519
hexa5d7a9

10868649 has 32 divisors (see below), whose sum is σ = 16813440. Its totient is φ = 6182400.

The previous prime is 10868647. The next prime is 10868651. The reversal of 10868649 is 94686801.

It is an interprime number because it is at equal distance from previous prime (10868647) and next prime (10868651).

It is not a de Polignac number, because 10868649 - 21 = 10868647 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10868649.

It is not an unprimeable number, because it can be changed into a prime (10868647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39099 + ... + 39375.

It is an arithmetic number, because the mean of its divisors is an integer number (525420).

Almost surely, 210868649 is an apocalyptic number.

It is an amenable number.

10868649 is a deficient number, since it is larger than the sum of its proper divisors (5944791).

10868649 is a wasteful number, since it uses less digits than its factorization.

10868649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 10868649 is about 3296.7634128035. The cubic root of 10868649 is about 221.5092438227.

The spelling of 10868649 in words is "ten million, eight hundred sixty-eight thousand, six hundred forty-nine".

Divisors: 1 3 11 29 33 41 87 123 277 319 451 831 957 1189 1353 3047 3567 8033 9141 11357 13079 24099 34071 39237 88363 124927 265089 329353 374781 988059 3622883 10868649