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11286612 = 2232313517
BaseRepresentation
bin101011000011…
…100001010100
3210020102022200
4223003201110
510342132422
61041524500
7164635401
oct53034124
923212280
1011286612
116409887
123943730
13245238c
1416db2a8
15ece2ac
hexac3854

11286612 has 18 divisors (see below), whose sum is σ = 28530138. Its totient is φ = 3762192.

The previous prime is 11286599. The next prime is 11286631. The reversal of 11286612 is 21668211.

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 2322576 = 2994^2 + 1524^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×112866122 = 254775220877088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156723 + ... + 156794.

Almost surely, 211286612 is an apocalyptic number.

11286612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11286612 is an abundant number, since it is smaller than the sum of its proper divisors (17243526).

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

11286612 is a wasteful number, since it uses less digits than its factorization.

11286612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313527 (or 313522 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11286612 is about 3359.5553277182. Note that the first 3 decimals coincide. The cubic root of 11286612 is about 224.3130455132.

The spelling of 11286612 in words is "eleven million, two hundred eighty-six thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 313517 627034 940551 1254068 1881102 2821653 3762204 5643306 11286612