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10949491 = 72192619
BaseRepresentation
bin101001110001…
…001101110011
3202121021212201
4221301031303
510300340431
61030404031
7162032500
oct51611563
922537781
1010949491
1161a9573
123800617
132364ab7
1416504a7
15e64461
hexa71373

10949491 has 18 divisors (see below), whose sum is σ = 13464540. Its totient is φ = 8876952.

The previous prime is 10949483. The next prime is 10949503. The reversal of 10949491 is 19494901.

It is not a de Polignac number, because 10949491 - 23 = 10949483 is a prime.

It is a super-3 number, since 3×109494913 (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10949491.

It is not an unprimeable number, because it can be changed into a prime (10949401) 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 17 ways as a sum of consecutive naturals, for example, 17380 + ... + 17998.

It is an arithmetic number, because the mean of its divisors is an integer number (748030).

Almost surely, 210949491 is an apocalyptic number.

10949491 is a deficient number, since it is larger than the sum of its proper divisors (2515049).

10949491 is an equidigital number, since it uses as much as digits as its factorization.

10949491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10949491 is about 3309.0015110302. The cubic root of 10949491 is about 222.0570897192.

It can be divided in two parts, 1094 and 9491, that added together give a triangular number (10585 = T145).

The spelling of 10949491 in words is "ten million, nine hundred forty-nine thousand, four hundred ninety-one".

Divisors: 1 7 19 49 133 361 619 931 2527 4333 11761 17689 30331 82327 223459 576289 1564213 10949491