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105154400 = 25521310111
BaseRepresentation
bin1100100010010…
…00011101100000
321022212101201102
412101020131200
5203404420100
614233453532
72414540411
oct621103540
9238771642
10105154400
11543a206a
122b2712a8
1318a29950
14dd73808
159371cd5
hex6448760

105154400 has 72 divisors (see below), whose sum is σ = 276482304. Its totient is φ = 38822400.

The previous prime is 105154373. The next prime is 105154403. The reversal of 105154400 is 4451501.

It is a super-2 number, since 2×1051544002 = 22114895678720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105154403) 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, 5345 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (3840032).

Almost surely, 2105154400 is an apocalyptic number.

105154400 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 105154400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138241152).

105154400 is an abundant number, since it is smaller than the sum of its proper divisors (171327904).

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

105154400 is a wasteful number, since it uses less digits than its factorization.

105154400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144 (or 10131 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105154400 is about 10254.4819469342. The cubic root of 105154400 is about 472.0005266680. Note that the first 3 decimals are identical.

The spelling of 105154400 in words is "one hundred five million, one hundred fifty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1040 1300 2080 2600 5200 10111 10400 20222 40444 50555 80888 101110 131443 161776 202220 252775 262886 323552 404440 505550 525772 657215 808880 1011100 1051544 1314430 1617760 2022200 2103088 2628860 3286075 4044400 4206176 5257720 6572150 8088800 10515440 13144300 21030880 26288600 52577200 105154400