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11428572 = 223952381
BaseRepresentation
bin101011100110…
…001011011100
3210111122001110
4223212023130
510411203242
61044542020
7166066311
oct53461334
923448043
1011428572
1164a6501
1239b1910
1324a1b8c
141736d08
15100b39c
hexae62dc

11428572 has 12 divisors (see below), whose sum is σ = 26666696. Its totient is φ = 3809520.

The previous prime is 11428559. The next prime is 11428591. The reversal of 11428572 is 27582411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×114285722 = 261224515918368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 476179 + ... + 476202.

Almost surely, 211428572 is an apocalyptic number.

11428572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11428572 is an abundant number, since it is smaller than the sum of its proper divisors (15238124).

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

11428572 is a wasteful number, since it uses less digits than its factorization.

11428572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952388 (or 952386 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 11428572 is about 3380.6171034295. The cubic root of 11428572 is about 225.2495798429.

The spelling of 11428572 in words is "eleven million, four hundred twenty-eight thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 952381 1904762 2857143 3809524 5714286 11428572