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1057149 = 32235107
BaseRepresentation
bin100000010000101111101
31222201010200
410002011331
5232312044
634354113
711662032
oct4020575
91881120
101057149
11662285
1242b939
132b0242
141d7389
1515d369
hex10217d

1057149 has 12 divisors (see below), whose sum is σ = 1593696. Its totient is φ = 673992.

The previous prime is 1057129. The next prime is 1057157. The reversal of 1057149 is 9417501.

It is not a de Polignac number, because 1057149 - 25 = 1057117 is a prime.

It is a super-2 number, since 2×10571492 = 2235128016402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057129) 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, 2347 + ... + 2760.

It is an arithmetic number, because the mean of its divisors is an integer number (132808).

21057149 is an apocalyptic number.

It is an amenable number.

1057149 is a deficient number, since it is larger than the sum of its proper divisors (536547).

1057149 is a wasteful number, since it uses less digits than its factorization.

1057149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1057149 is about 1028.1775138564. The cubic root of 1057149 is about 101.8697877068.

The spelling of 1057149 in words is "one million, fifty-seven thousand, one hundred forty-nine".

Divisors: 1 3 9 23 69 207 5107 15321 45963 117461 352383 1057149