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11145012 = 22371103127
BaseRepresentation
bin101010100000…
…111100110100
3202222020002020
4222200330310
510323120022
61034513140
7163505514
oct52407464
922866066
1011145012
11632245a
1238957b0
132402aa8
1416a1844
15ea235c
hexaa0f34

11145012 has 48 divisors (see below), whose sum is σ = 26836992. Its totient is φ = 3598560.

The previous prime is 11145007. The next prime is 11145023. The reversal of 11145012 is 21054111.

It is a happy number.

It is a super-2 number, since 2×111450122 = 248422584960288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11144982 and 11145000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87693 + ... + 87819.

It is an arithmetic number, because the mean of its divisors is an integer number (559104).

Almost surely, 211145012 is an apocalyptic number.

11145012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11145012 is an abundant number, since it is smaller than the sum of its proper divisors (15691980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11145012 is a wasteful number, since it uses less digits than its factorization.

11145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11145012 is about 3338.4145937855. The cubic root of 11145012 is about 223.3710299973.

Adding to 11145012 its reverse (21054111), we get a palindrome (32199123).

Subtracting 11145012 from its reverse (21054111), we obtain a palindrome (9909099).

The spelling of 11145012 in words is "eleven million, one hundred forty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 71 103 127 142 206 213 254 284 309 381 412 426 508 618 762 852 1236 1524 7313 9017 13081 14626 18034 21939 26162 27051 29252 36068 39243 43878 52324 54102 78486 87756 108204 156972 928751 1857502 2786253 3715004 5572506 11145012