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105412000 = 255319273
BaseRepresentation
bin1100100100001…
…11010110100000
321100100111002011
412102013112200
5203441141000
614243202304
72416662421
oct622072640
9240314064
10105412000
1154558661
122b376394
1318ab9c85
14dddd648
1593c32ba
hex64875a0

105412000 has 144 divisors (see below), whose sum is σ = 277090632. Its totient is φ = 39398400.

The previous prime is 105411989. The next prime is 105412003. The reversal of 105412000 is 214501.

It can be written as a sum of positive squares in 4 ways, for example, as 34245904 + 71166096 = 5852^2 + 8436^2 .

It is a super-2 number, since 2×1054120002 = 22223379488000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105412003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1443964 + ... + 1444036.

Almost surely, 2105412000 is an apocalyptic number.

105412000 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 105412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138545316).

105412000 is an abundant number, since it is smaller than the sum of its proper divisors (171678632).

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

105412000 is an equidigital number, since it uses as much as digits as its factorization.

105412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 105412000 is about 10267.0346254408. The cubic root of 105412000 is about 472.3856371504.

Adding to 105412000 its reverse (214501), we get a palindrome (105626501).

The spelling of 105412000 in words is "one hundred five million, four hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 73 76 80 95 100 125 146 152 160 190 200 250 292 304 361 365 380 400 475 500 584 608 722 730 760 800 950 1000 1168 1387 1444 1460 1520 1805 1825 1900 2000 2336 2375 2774 2888 2920 3040 3610 3650 3800 4000 4750 5548 5776 5840 6935 7220 7300 7600 9025 9125 9500 11096 11552 11680 13870 14440 14600 15200 18050 18250 19000 22192 26353 27740 28880 29200 34675 36100 36500 38000 44384 45125 52706 55480 57760 58400 69350 72200 73000 76000 90250 105412 110960 131765 138700 144400 146000 173375 180500 210824 221920 263530 277400 288800 292000 346750 361000 421648 527060 554800 658825 693500 722000 843296 1054120 1109600 1317650 1387000 1444000 2108240 2635300 2774000 3294125 4216480 5270600 5548000 6588250 10541200 13176500 21082400 26353000 52706000 105412000