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10971149 = 724143127
BaseRepresentation
bin101001110110…
…100000001101
3202122101120212
4221312200031
510302034044
61031052205
7162152600
oct51664015
922571525
1010971149
116213872
123811065
132371907
141658337
15e6aa9e
hexa7680d

10971149 has 24 divisors (see below), whose sum is σ = 13483008. Its totient is φ = 8890560.

The previous prime is 10971143. The next prime is 10971167. The reversal of 10971149 is 94117901.

It is a happy number.

It is not a de Polignac number, because 10971149 - 212 = 10967053 is a prime.

It is a super-2 number, since 2×109711492 = 240732220760402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86324 + ... + 86450.

It is an arithmetic number, because the mean of its divisors is an integer number (561792).

Almost surely, 210971149 is an apocalyptic number.

It is an amenable number.

10971149 is a deficient number, since it is larger than the sum of its proper divisors (2511859).

10971149 is a wasteful number, since it uses less digits than its factorization.

10971149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 10971149 is about 3312.2724827526. The cubic root of 10971149 is about 222.2034023043.

The spelling of 10971149 in words is "ten million, nine hundred seventy-one thousand, one hundred forty-nine".

Divisors: 1 7 41 43 49 127 287 301 889 1763 2009 2107 5207 5461 6223 12341 36449 38227 86387 223901 255143 267589 1567307 10971149