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11145019 = 292271693
BaseRepresentation
bin101010100000…
…111100111011
3202222020002111
4222200330323
510323120034
61034513151
7163505524
oct52407473
922866074
1011145019
116322466
1238957b7
132402ab2
1416a184b
15ea2364
hexaa0f3b

11145019 has 8 divisors (see below), whose sum is σ = 11586960. Its totient is φ = 10706976.

The previous prime is 11145007. The next prime is 11145023. The reversal of 11145019 is 91054111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11145019 - 27 = 11144891 is a prime.

It is a super-2 number, since 2×111450192 = 248422897020722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11145049) 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 7 ways as a sum of consecutive naturals, for example, 5737 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (1448370).

Almost surely, 211145019 is an apocalyptic number.

11145019 is a deficient number, since it is larger than the sum of its proper divisors (441941).

11145019 is a wasteful number, since it uses less digits than its factorization.

11145019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 11145019 is about 3338.4156421872. The cubic root of 11145019 is about 223.3710767625.

The spelling of 11145019 in words is "eleven million, one hundred forty-five thousand, nineteen".

Divisors: 1 29 227 1693 6583 49097 384311 11145019