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1057001 = 11307313
BaseRepresentation
bin100000010000011101001
31222200221012
410002003221
5232311001
634353305
711661431
oct4020351
91880835
101057001
11662160
1242b835
132b015a
141d72c1
1515d2bb
hex1020e9

1057001 has 8 divisors (see below), whose sum is σ = 1160544. Its totient is φ = 954720.

The previous prime is 1056971. The next prime is 1057003. The reversal of 1057001 is 1007501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057001 is a prime.

It is a super-2 number, since 2×10570012 = 2234502228002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1057003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (145068).

21057001 is an apocalyptic number.

1057001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1057001 is a deficient number, since it is larger than the sum of its proper divisors (103543).

1057001 is a wasteful number, since it uses less digits than its factorization.

1057001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 1057001 is about 1028.1055393295. The cubic root of 1057001 is about 101.8650335891.

The spelling of 1057001 in words is "one million, fifty-seven thousand, one".

Divisors: 1 11 307 313 3377 3443 96091 1057001