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1057000 = 23537151
BaseRepresentation
bin100000010000011101000
31222200221011
410002003220
5232311000
634353304
711661430
oct4020350
91880834
101057000
1166215a
1242b834
132b0159
141d72c0
1515d2ba
hex1020e8

1057000 has 64 divisors (see below), whose sum is σ = 2845440. Its totient is φ = 360000.

The previous prime is 1056971. The next prime is 1057003. The reversal of 1057000 is 7501.

It is a super-2 number, since 2×10570002 = 2234498000000, which contains 22 as substring.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6925 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (44460).

21057000 is an apocalyptic number.

1057000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422720).

1057000 is an abundant number, since it is smaller than the sum of its proper divisors (1788440).

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

1057000 is a wasteful number, since it uses less digits than its factorization.

1057000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 13.

The square root of 1057000 is about 1028.1050529980. The cubic root of 1057000 is about 101.8650014652.

The spelling of 1057000 in words is "one million, fifty-seven thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 151 175 200 250 280 302 350 500 604 700 755 875 1000 1057 1208 1400 1510 1750 2114 3020 3500 3775 4228 5285 6040 7000 7550 8456 10570 15100 18875 21140 26425 30200 37750 42280 52850 75500 105700 132125 151000 211400 264250 528500 1057000