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10749141 = 321391873
BaseRepresentation
bin101001000000…
…010011010101
3202020010001100
4221000103111
510222433031
61022220313
7160236414
oct51002325
922203040
1010749141
116081a97
123724699
1322c4850
1415db47b
15e24de6
hexa404d5

10749141 has 12 divisors (see below), whose sum is σ = 16721068. Its totient is φ = 6614784.

The previous prime is 10749121. The next prime is 10749143. The reversal of 10749141 is 14194701.

It can be written as a sum of positive squares in 2 ways, for example, as 7177041 + 3572100 = 2679^2 + 1890^2 .

It is not a de Polignac number, because 10749141 - 26 = 10749077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10749143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45820 + ... + 46053.

Almost surely, 210749141 is an apocalyptic number.

It is an amenable number.

10749141 is a deficient number, since it is larger than the sum of its proper divisors (5971927).

10749141 is a wasteful number, since it uses less digits than its factorization.

10749141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91892 (or 91889 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10749141 is about 3278.5882632621. The cubic root of 10749141 is about 220.6943694690.

The spelling of 10749141 in words is "ten million, seven hundred forty-nine thousand, one hundred forty-one".

Divisors: 1 3 9 13 39 117 91873 275619 826857 1194349 3583047 10749141