Search a number
-
+
105057000 = 2334531297
BaseRepresentation
bin1100100001100…
…00101011101000
321022200110010000
412100300223220
5203343311000
614231423000
72413653426
oct620605350
9238613100
10105057000
1154335974
122b224a60
13189c4509
14dd4a116
159353000
hex6430ae8

105057000 has 160 divisors (see below), whose sum is σ = 367515720. Its totient is φ = 27993600.

The previous prime is 105056999. The next prime is 105057019. The reversal of 105057000 is 750501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68260644 + 36796356 = 8262^2 + 6066^2 .

It is a super-2 number, since 2×1050570002 = 22073946498000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80352 + ... + 81648.

Almost surely, 2105057000 is an apocalyptic number.

105057000 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 105057000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183757860).

105057000 is an abundant number, since it is smaller than the sum of its proper divisors (262458720).

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

105057000 is a wasteful number, since it uses less digits than its factorization.

105057000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 105057000 is about 10249.7317038057. The cubic root of 105057000 is about 471.8547503846.

The spelling of 105057000 in words is "one hundred five million, fifty-seven thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 125 135 150 162 180 200 216 225 250 270 300 324 360 375 405 450 500 540 600 648 675 750 810 900 1000 1080 1125 1297 1350 1500 1620 1800 2025 2250 2594 2700 3000 3240 3375 3891 4050 4500 5188 5400 6485 6750 7782 8100 9000 10125 10376 11673 12970 13500 15564 16200 19455 20250 23346 25940 27000 31128 32425 35019 38910 40500 46692 51880 58365 64850 70038 77820 81000 93384 97275 105057 116730 129700 140076 155640 162125 175095 194550 210114 233460 259400 280152 291825 324250 350190 389100 420228 466920 486375 525285 583650 648500 700380 778200 840456 875475 972750 1050570 1167300 1297000 1400760 1459125 1750950 1945500 2101140 2334600 2626425 2918250 3501900 3891000 4202280 4377375 5252850 5836500 7003800 8754750 10505700 11673000 13132125 17509500 21011400 26264250 35019000 52528500 105057000